6
7/21/2019 Us 3950125 http://slidepdf.com/reader/full/us-3950125 1/6 United States Patent [191 McGugan 1541 BURNERS [75] lnventor: John Drummond McGugan, Gorleston England [73] Assignee: Noralco Overseas, lnc. Metairie La. [22] Filed: May23 1974 [211 Appl. No: 473,068 [52] U.S. C1. .................. .. 431/352; 431/4; 431/183; 431/187; 239/401; 239/404; 239/417; 239/425.5 [51] Int. Cl.2 ........................................ .. F23D 15/02 [58] Field of Search ........ .. 431/183 202, 351, 352, » 431/187; 239/290, 401, 403-406, 410, 412, 416, 417, 424, 425.5 [56] References Cited UNITED STATES PATENTS 541074 6/1895 Dandison. . . . . . . . . . . . . . . .. 239/417 1885067 10/1932 Woodeson . . . . . . . . . .. 239/403 3074231 l/1963 Klein. . . . . . . . . . . . . . . . . . . . . .. 239/417 3 565 562 2/1971 Drivet .............................. .. 239/404 [111 3,950,125 [451 Apr. 13 1976 3 695 820 10/1972 Hawkes t a1. ................... .. 239/417 3 797 992 3/1974 Straitz ............................... . 431/351 3 807 932 4/1974 Dewald ............................ r_ 431/202 3 833 337 9/1974 Desty et a1. ....................... 431/202 ‘FOREIGN PATENTS OR APPLICATIONS 511 213 9/1920 France ............................. .. 239/417 18 359 1912 United Kingdom .............. .. 239/404 Primary Examiner-Carroll B. Dority Jr. Attorney, Agent, or Firm—1-1ane, Baxley piecens [5 7 ABSTRACT A urner for burning crude or contaminated oil com prises a body de?ning a bore open at both ends, at one of which the oil is burnt, air being drawn into the ?ame through the bore, and an annular oil inlet in the bore wall such that air ?owing through the bore to the ?ame will draw oil from the inlet in atomised form, will mix with it and will carry it into the ?ame. The burner is surrounded by an annular water ring pro~ vided with nozzles for spraying water into the ?ame. 21 Claims, 2 Drawing Figures

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United

S t a t e s

P a t e n t

[ 1 9 1

M c G u g a n

1 5 4 1 BURNERS

[ 7 5 ]

l n v e n t o r :

J o h n

Drummond

M c G u g a n ,

G o r l e s t o n E n g l a n d

[ 7 3 ]

A s s i g n e e :

N o r a l c o O v e r s e a s ,

l n c . M e t a i r i e

L a .

[ 2 2 ] F i l e d :

May23 1 9 7 4

[ 2 1 1

A p p l . N o :

4 7 3 , 0 6 8

[ 5 2 ] U . S .

C 1 . . . . . . . . . . . . . . . . . . . . .

431/352;

4 3 1 / 4 ;

431/183;

4 3 1 / 1 8 7 ; 2 3 9 /4 0 1 ; 2 3 9 / 4 0 4 ;

2 3 9 / 4 1 7 ; 2 3 9 / 4 2 5 . 5

[51] I n t . C l . 2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

. . F23D

1 5 /0 2

[ 5 8 ]

F i e l d

o f Search

. . . . . . . .

. . 431/183 2 0 2 ,

3 5 1 ,

3 5 2 ,

»

4 3 1 / 1 8 7 ;

2 3 9 / 2 9 0 ,

4 0 1 , 4 0 3 - 4 0 6 ,

4 1 0 ,

4 1 2 ,

4 1 6 , 4 1 7 , 4 2 4 , 4 2 5 . 5

[ 5 6 ] R e f e r e n c e s

C i t e d

UNITED STATES PATENTS

541 074

6/1895

Dandison. . . . . . . . . . . . . . . .. 239/417

1 885 067

10/1932

Woodeson

. .

. . . . . .

.

.. 239/403

3 074 231 l/1963 Klein . . . . . . .

. . .

.

.

. . . . . . .

. . ..

239/417

3 5 65 5 62 2 / 1 971 Dri ve t . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 239/404

[ 1 1 1 3 , 9 5 0 , 1 2 5

[ 4 5 1

A p r .

1 3 1 9 7 6

3 695 820 10/1972 Hawkes t a 1 . . . . . . . . . . . . . . . . . . . . . . 239/417

3 797 992 3/1974 S t r a i t z . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 3 1 / 3 5 1

3 807 932

4 / 1974 Dewald . . . . . . . . . . . . . . . . . . . . . . . . . . . .

r _

4 3 1 / 2 0 2

3 833 337 9/1974 D e s t y e t

a 1 . . . . . . . . . . . . . . . . . . . . . . . .

4 3 1 / 2 0 2

‘FOREIGN

PATENTS

OR APPLICATIONS

5 1 1 2 1 3

9/ 1920

F r a n c e

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 3 9 / 4 1 7

18 359

1912

U n i t e d Kingdom . . . . . . . . . . . . . . . .

2 3 9 / 4 0 4

P r i m a r y

E x a m i n e r - C a r r o l l

B . D o r i t y J r .

A t t o r n e y , A g e n t , o r F i r m — 1 - 1 a n e ,

B a x l e y

p i e c e n s

[ 5

7

ABSTRACT

A u r n e r f o r b u r n i n g crude o r

contaminated

o i l c o m

p r i s e s a body de?ning a b o r e open a t b o t h

e n d s ,

a t on e

o f w h i c h t h e o i l

i s

b u r n t ,

a i r

b e i n g

drawn

i n t o

t h e

? a m e t h r o u g h t h e b o r e ,

and

a n a n n u l a r o i l

i n l e t

i n t h e

b o r e w a l l

s u c h

t h a t a i r ?owing t h r o u g h

t h e

b o r e t o t h e

? a m e w i l l

draw o i l

from t h e

i n l e t i n

a t o m i s e d

f o r m ,

w i l l

mix

w i t h i t and

w i l l

c a r r y

i t i n t o t h e ?ame. The

b u r n e r

i s s u r r o u n d e d b y a n a n n u l a r

w a t e r

r i n g

p r o ~

v i d e d

w i t h n o z z l e s f o r

s p r a y i n g w a t e r

i n t o t h e

?ame.

2 1 C l a i m s ,

2 D r a w i n g

F i g u r e s

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U.S. Patent

A p r i l 1 3 1 9 7 6

S h e e t l o f 2

3 950 125

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U.S. Patent A p r i l

1 3

1 9 7 6 S h e e t 2 o f 2 3 950 125

7/21/2019 Us 3950125

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3 , 9 5 0 , 1 2 5

1

BURNERS

The p r e s e n t

i n v e n t i o n r e l a t e s t o b u r n e r s , p a r t i c u l a r l y

b u t

n o t

e x c l u s i v e l y

f o r b u r n i n g c r u d e o r c o n t a m i n a t e d

o i l

f o r

e x a m p l e on b o a r d a d r i l l i n g r i g .

A c c o r d i n g

t o

o n e

a s p e c t o f

t h e

p r e s e n t

i n v e n t i o n

t h e r e i s p r o v i d e d a

b u r n e r

f o r ? u i d

f u e l

c o m p r i s i n g a

body

de?ning

a b o r e

open

a t b o t h

e n d s and a n a n n u l a r

chamber s u r r o u n d i n g t h e b o r e , h a v i n g

a n

i n l e t f o r f l u i d

f u e l

and o u t l e t means f o r ? u i d f u e l o p e n i n g

i n t o t h e

b o r e a n d e x t e n d i n g

c i r c u m f e r e n t i a l l y a r o u n d t h e b o r e ,

w h e r e i n , i n o p e r a t i o n , ? u i d f u e l a n d a i r m i x t u r e i s b u r n t

a d j a c e n t one e n d o f t h e b o r e , a i r

b e i n g

drawn i n t o t h e

b o r e f r o m

t h e

o t h e r

end

t h e r e o f a n d d r a w i n g ? u i d f u e l

from t h e chamber

t h r o u g h

t h e o u t l e t means.

Advantageously t h e o u t l e t means h a s t h e form o f an

o p e n i n g e x t e n d i n g c o n t i n u o u s l y c i r c u m f e r e n t i a l l y

o f

t h e

b o r e

and i s v a r i a b l e .

According t o

a n o t h e r

a s p e c t of t h e p r e s e n t i n v e n t i o n

t h e r e

i s p r o v i d e d

a

b u r n e r

f o r ? u i d f u e l

c o m p r i s i n g

a

body

h a v i n g

a

b o r e open a t b o t h e n d s

and a d j a c e n t

one

o f w h i c h ? u i d f u e l

w i l l

b e b u r n t , t h e

body

c o m p r i s i n g a

? r s t p a r t a n d a

s e c o n d

g e n e r a l l y t u b u l a r

p a r t

w h i c h

i n

p a r t d e ? n e s t h e

b o r e

and i s a x i a l l y s l i d a b l e r e l a t i v e t o

t h e

? r s t p a r t ,

a

chamber

f o r ? u i d

f u e l b e i n g de? ned

between t h e ? r s t and second p a r t s ,

h a v i n g

a n i n l e t f o r

? u i d f u e l

and communicating

w i t h t h e b o r e t h r o u g h a n

o u t l e t o p e n i n g b e t w e e n

t h e

? r s t

and

s e c o n d

p a r t s a

s u r f a c e o n t h e

s e c o n d p a r t e x t e n d i n g r a d i a l l y

o u t w a r d l y

t h e r e o f and d e ? n i n g

a r a d i a l

w a l l

o f

t h e

chamber s u c h

t h a t t h e p r e s s u r e o f ?uid

i n

t h e chamber

w i l l

e x e r t

on

s a i d

s u r f a c e

a

f o r c e

u r g i n g

t h e s e c o n d

body r e l a t i v e

t o

t h e ? r s t

body i n

a

d i r e c t i o n

t o

i n c r e a s e

t h e

a x i a l

e x t e n t

o f

t h e o u t l e t o p e n i n g , a n d b i a s s i n g means f o r m o v i n g

t h e second body i n

a

d i r e c t i o n t o d e c r e a s e t h e a x i a l

e x t e n t o f

t h e

o u t l e t o p e n i n g .

According

t o

a f u r t h e r

a s p e c t

o f

t h e p r e s e n t

i n v e n

t i o n t h e r e i s p r o v i d e d

a

b u r n e r a s s e m b l y

c o m p r i s i n g a

burner a s above-described a n d a hollow annular mem

b e r

f o r w a t e r , s u r r o u n d i n g t h e

b u r n e r a d j a c e n t

t h e one

end and

h a v i n g

a n i n l e t

and

o u t l e t means f o r d i r e c t i n g

w a t e r

a g a i n s t a ? a m e e s t a b l i s h e d

a d j a c e n t t h e

one e n d

o f t h e b o d y .

The p r e s e n t i n v e n t i o n w i l l b e more

f u l l y u n d e r s t o o d

f r o m t h e

f o l l o w i n g

d e s c r i p t i o n o f

e m b o d i m e n t t h e r e o f

g i v e n b y

way

o f

e x a m p l e

o n l y ,

w i t h r e f e r e n c e

t o

t h e

a c c o m p a n y i n g

d r a w i n g s ,

i n

w h i c h :

FIG. 1 i s

a

view of an e m b o d i m e n t of burner assem

b l y

a c c o r d i n g t o

t h e p r e s e n t i n v e n t i o n a n d s h o w n p a r t l y

i n s e c t i o n ;

a n d

F I G . 2 i s an end v i e w o f t h e

b u r n e r

a s s e m b l y o f

F I G .

1 .

As shown i n

t h e

d r a w i n g s ,

t h e b u r n e r

c o m p r i s e s a

b o d y I h a v i n g

a

g e n e r a l l y c i r c u l a r s e c t i o n b o r e 2 open

a t b o t h

e n d s

3 , 4

and

de?ning a n

a n n u l a r

chamber 5

f o r

? u i d f u e l e . g .

c r u d e

o r c o n t a m i n a t e d

o i l

h a v i n g a n

i n l e t 6 and

a n

o u t l e t

7 o p e n i n g i n t o

t h e

b o r e

2 and

e x t e n d i n g c o n t i n u o u s l y

c i r c u m f e r e n t i a l l y

t h e r e o f .

D u r i n g o p e r a t i o n

o f t h e

b u r n e r , a ? am e s

e s t a b l i s h e d

a d j a c e n t t h e

f r e e

end o f a

m e m b e r

8

h a v i n g

a

f r u s t o

c o n i c a l b o r e t h e r e t h r o u g h a n d mounted on t h e e n d 4 o f

t h e body 1 . A i r i s drawn b y t h e

? a m e i n t o

t h e b o r e 2 o f

t h e

body

t h r o u g h a

s e c o n d

m e mb e r 9 h a v i n g a f r u s t o

c o n i c a l

b o r e

t h e r e t h r o u g h and mou n t e d

on t h e

end

3

o f

t h e b o d y 1 . I n p a s s i n g t h e

f u e l o u t l e t 7

t h e a i r d r a w s

f u e l

i n

a t o m i z e d

form from

t h e o u t l e t

and

t h e m i x t u r e

20

25

30

3 5

2

o f a i r and f u e l f l o w s

t h r o u g h t h e member 8 t o t h e

?ame.

The

b o d y

i s f o r m e d b y t w o

p a r t s t h e

? r s t p a r t com

p r i s i n g a n n u l a r

i n t e r m e d i a t e

a n d e n d members 1 0 1 1

a n d 1 2 h e l d t o g e t h e r

b y n u t s

1 3 a n d b o l t s 1 4 e x t e n d i n g

between

a

?a n g e

15

on e n d m e m b e r 1 1 and an a n n u l a r

p l a t e

1 6 p l a c e d

a g a i n s t

t h e

e n d

4 o f

t h e

b o d y

1 .

The

s e c o n d p a r t o f t h e

b o d y

1 c o m p r i s e s a n i n n e r

a n n u l a r

m em b er 1 7 r e c e i v e d

b y

t h e i nt e r m e d i a t e and end mem

b e r s 1 0 t o 1 2 . The f u e l chamber

5

i s d e ?n e d between

t h e

i n n e r

i n t e r m e d i a t e

a n d

e n d members l 7 ,

l 0

a n d I 2

and t h e f u e l

o u t l e t

7 between t h e i n n e r and end mem

b e r s

1 7 1 2 .

The i n n e r

member 1 7

i s

s l i d a b l e

a x i a l l y

r e l a t i v e

t o t h e

end

m e m b e r

1 2

t o v a r y t h e

d i m e n s i o n s

o f t h e f u e l o u t l e t 7 and i s b i a s s e d i n a d i r e c t i o n t o

c l o s e

t h e o u t l e t

7 b y a n

a n n u l a r p i s t o n

a n d

c y l i n d e r a s s e m b l y

f o r m e d b y

a

p i s t o n 1 8 ,

b e a r i n g

a g a i n s t t h e i n n e r mem»

b e r , w h i c h

i s r e c e i v e d

b y a c y l i n d e r 1 9 f o r m e d i n t h e

e n d m e m b e r

1 1

a n d c o n ne c t e d t o a

h y d r a u l i c s u p p l y

n o t

s h o w n ) . I n u s e ,

t h e i n n e r m em b er

1 7 i s

b i a s s e d i n

a d i r e c t i o n

t o

open

t h e

o u t l e t

7

b y

t h e

p r e s s u r e o f

f u e l

i n t h e

chamber

5

a c t i n g

a g a i n s t a ?ange

20

on t h e i n n e r

member

a n d

f o r m i n g t h e e n d r a d i a l

w a l l o f

t h e c h a m

b e r 5 .

I n o p e r a t i o n

t h e

p r e s s u r e o f

t h e

h y d r a u l i c

? u i d

i n

c y l i n d e r 1 9

i s

v a r i e d

i n d e p e n d e n c e

o n

t h e

i n c o m i n g

f u e l

p r e s s u r e t o

a d j u s t

t h e

d i m e n s i o n s

o f

t h e

o u t l e t

7

t o

o b t a i n t h e r e q u i r e d d e g r e e o f

a t o m i z a t i o n

o f

t h e

f u e l a s

i t

i s drawn

from

t h e

o u t l e t .

At t h e

end

o f o p e r a t i o n , t h e

p r e s s u r e i n t h e c y l i n d e r 1 9 i s i n c r e a s e d t o

s u b s t a n t i a l l y

c l o s e t h e o u t l e t 7 .

I n a m o d i ? c a t i o n t h e c y l i n d e r a n d p i s t o n a s s e m b l y

may

b e r e p l a c e d b y a s p r i n g

a c t i n g

b e t w e e n t h e e n d

a n d

i n n e r members

l l ,

1 7 .

The i n n e r

member

i s s u p p o r t e d r e l a t i v e

t o

t h e i n t e r

m e d i a t e

m em b er

1 0 b y a

?ange

2 ]

i n

w h i c h

f u e l

p a s

s a g e w a y s

a r e f o r m e d .

I n

t h e p r e f e r r e d

embodiment

t h e s e

f u e l p a s s a g e w a y s e x t e n d p a r a l l e l

t o

t h e a x i s o f

t h e

b o r e . T h e y m a y , h o w e v e r , e x t e nd

g e n e r a l l y

h e l i c a l l y t o

g i v e t h e

e x i t i n g

f u e l a s w i r l i n g movement.

The

b o r e 2 i s s h a p e d

s o

t h a t f u e l

drawn

o u t o f t h e

o u t l e t 7 i s d i r e c t e d t o w a r d s t h e a x i s o f

t h e

b o r e

t o

a s s i s t

m i x i n g o f t h e f u e l w i t h t h e a i r . A i r g u i d e means i n t h e

form o f a

b u l l e t - s h a p e d

body

22 i s p o s i t i o n e d on t h e

45

50

5 5

60

a x i s

o f

t h e b o r e t o d i r e c t i n c o m i n g

a i r

a l o n g t h e b o r e

w a l l

a n d

a c r o s s t h e

o u t l e t

7

t o

c r e a t e a v e n t u r i

e ? ‘ e c t

a t

t h e

o u t l e t i n

o r d e r

t o draw

t h e

f u e l

t h e r e f r o m .

The

b o d y 2 2 i s

s u p p o r t e d

o n t h e i n n e r

member

1 7

b y

a n g u

l a r l y s p a c e d ? a n g e s

o r

v a n e s

23

which a r e a r r a n g e d

t o

have an

i n c l i n a t i o n

t o

t h e

r a d i a l

and

a x i a l

d i r e c t i o n s

i n

o r d e r t o p r o v i d e a i r p a s s i n g t h e r e b e t w e e n

w i t h

a

s w i r l

i n g

movement t o a s s i s t m i x i n g o f

t h e

a i r and f u e l .

The f r e e e n d p o r t i o n

o f

t h e member 8 a d j a c e n t w h i c h

t h e

?a m e

i s e s t a b l i s h e d may

b e

p r o v i d e d w i t h o p e n i n g s

24 through which more a i r

can

be drawn i n t o

t h e

? am e .

T h i s a d d i t i o n a l a i r

c r e a t e s

t u r b u l e n c e i n t h e f u e l and a i r

m i x t u r e

a t

t h e

end

o f t h e m e mb e r 8 which t u r b u l e n c e

h a s

t h e e f f e c t o f d e c r e a s i n g t h e d i s t a n c e b e t w e e n t h e

end

o f t h e

m em b er

8

and t h e ?ame.

The b u r n e r

i s

s u r r o u n d e d b y a g e n e r a l l y c y l i n d r i c a l

s l e e v e 2 5 w h i c h

s u p p o r t s a

h o l l o w r i n g 26 h a v i n g a n

i n l e t

t o which

w a t e r

i s s u p p l i e d and

a

p l u r a l i t y

o f

angu

l a r l y

s p a c e d n o z z l e s 2 7 c o n n e c t e d l a t e r a l l y o f t h e r i n g

a n d

t h r o u g h w h i c h

w a t e r

l e a v e s t h e

r i n g .

T h e s e

n o z z l e s

s p r a y water onto t h e

? a m e

i n o r d e r

t o

reduce t h e

smoke

g e n e r a t e d

t h e r e b y .

The

n o z z l e s 27 may b e con

t r o l l e d

between an op e n and c l o s e d c o n d i t i o n and t o

v a r y t h e form o f t h e e x i t i n g w a t e r , e . g .

i n

t h e form

o f

a

j e t of water o r

o f

a ?ne s p r a y , depending on t h e

? a m e

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3 , 9 5 0 , 1 2 5

c o n d i t i o n . To t h i s e n d t h e n o z z l e s may b e c o u p l e d

t o g e t h e r , e . g .

i n

g r o u p s o f i x

e a c h g r o u p

b e i n g

i n d i v i d

u a l l y c o n t r o l l a b l e b y a h y d r a u l i c o p e r a t o r 2 8 .

The s l e e v e

i s

s u p p o r t e d b y a p l u r a l i t y o f

a n g u l a r l y

s p a c e d v a n e s 29 which

m a y b e i n c l i n e d

i n

t h e r a d i a l

a n d

a x i a l

p l a n e s i n

o r d e r t o

g i v e a i r ?owing

t h e r e b e

t we e n

a s w i r l i n g m o t i o n .

F o r i g n i t i n g t h e b u r n e r , a

h o l l o w a n n u l a r

body

30 i s

p r o v i d e d a r o u n d t h e

e n d o f

t h e m e m b e r 8 t h e

b o d y

h a v i n g

a p l u r a l i t y o f

a x i a l l y d i r e c t e d

o u t l e t h o l e s 3 ] a n d

being

co n n e ct e d

t o

a

BOC mixer f o r propane o r

a

s i m i

l a r

g a s e o u s

f u e l . A

s p a r k i n g p l u g

3 2

i s p r o v i d e d a d j a

c e n t

t h e

body 3 0 . Wh e n t h e

g a s

e x i t i n g from

t h e

o u t l e t

h o l e s

3 1 h a s b e e n

i g n i t e d a r i n g

o f

? a m e i s formed

a b o u t t h e o u t l e t

end

o f t h e m e m b e r 8 which w i l l i n i t i a t e

? o w

o f a i r t h r o u g h

t h e b o r e

2 o f

t h e

body 1 a n d

t h e

d r a w i n g o f

f u e l

f r o m t h e o u t l e t 7 w i t h t h e s u b s e q u e n t

i g n i t i o n o f t h i s f u e l .

The a s s e m b l y o f

t h e

b u r n e r

and w a t e r

s p r a y r i n g

26 s

moun t e d on

a s w i v e l j o i n t

33 i n t h e main f u e l

i n l e t

duct

34

f o r

a n g u l a r m o v e m e n t about

a

v e r t i c a l a x i s

s o

t h a t ,

w h e n

t h e

assembly

i s

mou n t e d

on a r i g i t can

be

a l i g n e d w i t h

t h e

w i n d

d i r e c t i o n t h e

a s s e m b l y b e i n g

r o t a t e d b y o p e r a t i o n o f a

c y l i n d e r

a n d p i s t o n a s s e m b l y

A

i n g

36

may b e p r o v i d e d

on

s l e e v e

35

f o r

l i f t i n g

p u r p o s e s .

A d d i t i o n a l l y ,

t o p r o t e c t t h e o p e r a t o r a n d

t h e

r i g t h e

b u r n e r m a y b e a r r a n g e d t o p r o v i d e

a

r a d i a l w a t e r

s c r e e n

around t h e base

of

t h e ? am e .

To

t h i s e n d

a

p l u r a l i t y

of n o z z l e s

37

a r e moun t e d on

t h e

water r i n g

2 6 a n d

e a c h a r r a n g e d

t o

p r o v i d e a

r a d i a l l y d i r e c t e d ?ne

w a t e r s p r a y . As s h o w n ,

t h e

n o z z l e s 37

a r e

e q u a l l y

s p a c e d b e t w e e n t h e a x i a l l y d i r e c t e d n o z z l e s 2 7 . I f i t i s

f o u n d t h a t more w a t e r

i s r e q u i r e d

t o b e s p r a y e d

i n t o

t h e ?ame some o f

t h e

n o z z l e s 37

c a n

be r e p l a c e d b y

n o z z l e s a r r a n g e d t o

p r o v i d e

a n a x i a l l y

d i r e c t e d s p r a y o f

w a t e r , a n d

w h i c h

s u p p l e m e n t t h e s p r a y

p r o v i d e d b y

nozzles 27.

I

c l a i m :

I . A u r n e r f o r ? u i d f u e l c o m p r i s i n g :

a body

de?ning a

b o r e

op e n a t

b o t h e n d s ,

s a i d b o r e

h a v i n g , s e q u e n t i a l l y i n t h e d i r e c t i o n f r o m

o n e

o f

s a i d op e n e n d s t o t h e o t h e r o f s a i d ope n

e n d s ,

a ? r s t

f r u s t o - c o n i c a l

p o r t i o n o f i n c r e a s i n g

c r o s s

s e c t i o n a l

a r e a

i n

s a i d d i r e c t i o n , a c y l i n d r i c a l

p o r t i o n

and a

s e c o n d f r u s t o - c o n i c a l p o r t i o n o f d e c r e a s i n g

c r o s s

s e c t i o n a l a r e a i n

s a i d d i r e c t i o n ,

s a i d body f u r t h e r

d e ? n i n g a n

a n n u l a r

chamber s u r r o u n d i n g

s a i d

b o r e ;

i n l e t m e a n s t o s a i d chamber a n d

o u t l e t

m e a n s from

s a i d chamber

s u r r o u n d i n g

s a i d

b o r e a n d

o p e n i n g

i n t o s a i d b o r e i n t h e

r e g i o n

o f t h e j u n c t i o n o f s a i d

c y l i n d r i c a l p o r t i o n

w i t h

s a i d ? r s t f r u s t o - c o n i c a l

p o r t i o n

a n d

a r r a n g e d t o d i s c h a r g e f u e l a l o n g t h e

s u r f a c e

o f s a i d ? r s t f r u s t o - c o n i c a l

p o r t i o n

t o

i t s

o p e n

e n d ;

m e a n s f o r

supplying

?u i d

f u e l

t o s a i d

i n l e t m e a n s t o

s a i d

c h a m b e r ; a n d

a i r

g u i d e

means i n

s a i d

b o r e

c o m p r i s i n g a b o d y h a v

i n g a c y l i n d r i c a l

m i d - p o r t i o n

a n d t a p e r i n g e n d

p o r

t i o n s

e x t e n d i n g

c o - a x i a l l y

o f

s a i d

b o r e

w i t h

a t a p e r

i n g

p o r t i o n b e i n g

i n s a i d ? r s t a n d s e c o n d

f r u s t o

c o n i c a l p o r t i o n s

a n d

s a i d c y l i n d r i c a l m i d - p o r t i o n

b e i n g

i n

s a i d c y l i n d r i c a l

p o r t i o n o f s a i d

b o r e ;

w h e r e i n ,

i n o p e r a t i o n ,

? u i d

f u e l a n d a i r m i x t u r e i s

b u r n t a d j a c e n t s a i d one

e n d

o f s a i d b o r e ,

a i r

b e i n g

drawn

i n t o s a i d

b o r e

from

s a i d o t h e r

e n d ,

and

20

25

30

3 5

45

50

55

65

4

d r a w i n g

? u i d f u e l

f r o m s a i d

c h a m b e r

t h r o u g h t h e

o p e n i n g o f

s a i d

o u t l e t

m e a n s .

2 . A

b u r n e r

a c c o r d i n g

t o

c l a i m 1

w h e r e i n

t h e

b o d y

c o m p r i s e s ? r s t a n d s e c o n d p a r t s b e t w e e n w h i c h t h e

annular

chamber a n d o u t l e t means a r e d e?n e d t h e

o u t l e t

means h a v i n g t h e f o r m o f a n o p e n i n g

e x t e n d i n g

c o n t i n u o u s l y c i r c u m f e r e n t i a l l y

o f

t h e

b o r e

a n d t h e

p a r t s

b e i n g r e l a t i v e l y m o v a b l e

t o

v a r y

t h e

d i m e n s i o n s

o f t h e

o u t l e t o p e n i n g .

3 .

A u r n e r

a c c o r d i n g t o

c l a i m

2 i n c l u d i n g means

f o r

r e l a t i v e l y

b i a s s i n g t h e p a r t s

i n

a d i r e c t i o n t o r e d u c e t h e

d i m e n s i o n s o f t h e o u t l e t o p e n i n g , t h e b o d y

p a r t s

b e i n g

a r r a n g e d

s o

t h a t t h e

p r e s s u r e

o f ? u i d

f u e l

i n t h e cham~

b e r

w i l l

b i a s

t h e

p a r t s r e l a t i v e t o

each

o t h e r

i n

t h e

o p p o s i t e d i r e c t i o n .

4 . A u r n e r a c c o r d i n g t o c l a i m 3 , w h e r e i n t h e b i a s

s i n g means i n c l u d e s a p i s t o n a n d c y l i n d e r a s s e m b l y

c o n n e c t e d b e t w e e n t h e ? r s t a n d

s e c o n d

p a r t s .

5 . A u r n e r a c c o r d i n g t o c l a i m 3 ,

w h e r e i n

t h e b i a s

s i n g

means

i n c l u d e s

a

s p r i n g a c t i n g

between

t h e ? r s t

a n d s e c o n d

p a r t s .

6 .

A

b u r n e r

a s s e m b l y c o m p r i s i n g a

b u r n e r

a c c o r d i n g

t o

c l a i m I and a h o l l o w a n n u l a r m e m b e r f o r

w a t e r ,

s u r r o u n d i n g t h e

b u r n e r a d j a c e n t

t h e

one end and

h a v

i n g a n i n l e t and o u t l e t

means

f o r d i r e c t i n g w a t e r a g a i n s t

a

? a m e

e s t a b l i s h e d

a d j a c e n t t h e one e n d

o f

t h e b o d y .

7 .

A

u r n e r a s s e m b l y a c c o r d i n g t o

c l a i m

6 w h e r e i n

t h e o u t l e t means o f t h e

h o l l o w

a n n u l a r m e m b e r

have

t h e f o r m o f a p l u r a l i t y o f c i r c u m f e r e n t i a l l y s p a c e d o u t

l e t n o z z l e s

a r r a n g e d t o d i r e c t a j e t o r s p r a y o f water

a g a i n s t t h e ? a m e .

8 . A b u r n e r a s s e m b l y a c c o r d i n g t o c l a i m

6 i n c l u d i n g

means i n

t h e

p a t h o f a i r ?owing b e t w e e n t h e b u r n e r

and

t h e

h o l l o w

a n n u l a r

m em b er

f o r

p r o v i d i n g

t h e

a i r

w i t h a n o n - a x i a l component o f

v e l o c i t y .

9 . A u r n e r a s s e m b l y a c c o r d i n g

t o c l a i m

8 w h e r e i n

t h e

hollow

annular m e m b e r i s

m o u n t e d

on a

s l e e v e

a n d

t h e

means i n

t h e

p a t h o f a i r ?owing between

t h e

b u r n e r

and t h e hollow a n n u l a r m e m b e r a r e v a n e s

e x t e n d i n g

between t h e s l e e v e and t h e

b u r n e r .

1 0 . A u r n e r a c c o r d i n g t o c l a i m I

w h e r e i n

t h e

a i r

g u i d e means i n c l u d e

a n g u l a r l y s p a c e d

v a n e s e x t e n d i n g

between s a i d a i r g u i d e

means

a n d t h e

w a l l

o f

s a i d

b o r e .

1 1 . A

u r n e r

a c c o r d i n g t o c l a i m

1

w h e r e i n t h e b o r e

a t t h e one end t h e r e o f i s c y l i n d r i c a l and

members

a r e

p r o v i d e d a t e a c h e n d

o f s a i d

b o d y h a v i n g f r u s t o - c o n i c a l

b o r e s

t h e r e t h r o u g h

c o m m u n i c a t i n g w i t h s a i d b o r e i n

s a i d

b o d y ,

t h e

d i a m e t e r s o f

t h e

b o r e s

o f

s a i d

members

i n c r e a s i n g i n

d i r e c t i o n s

a w a y f r o m

s a i d

b o d y .

l 2 .

A b u r n e r

a c c o r d i n g t o

c l a i m

1 1 , w h e r e i n s a i d

m e m b e r

a t

s a i d o t h e r e n d

o f

s a i d body

i s

formed

w i t h

o p e n i n g s t h e r e i n f o r a d m i s s i o n o f a d d i t i o n a l a i r t o

t h e

b u r n e r .

1 3 . A u r n e r a s s e m b l y

c o m p r i s i n g

a b u r n e r a c c o r d

i n g t o c l a i m 1 2

and

a h o l l o w a n n u l a r m e m b e r f o r

w a t e r ,

s u r r o u n d i n g t h e b u r n e r

a d j a c e n t t h e o n e

e n d a n d h a v

i n g a n i n l t and o u t l e t

means

f o r d i r e c t i n g w a t e r a g a i n s t

a ? a m e

e s t a b l i s h e d a d j a c e n t t h e one end o f

t h e b o d y .

1 4 . A b u r n e r a s s e m b l y a c c o r d i n g t o c l a i m 1 3 ,

wherein

t h e o u t l e t means of t h e

hollow

annular

mem

b e r

h a v e

t h e form o f a p l u r a l i t y o f

c i r c u m f e r e n t i a l l y

spaced

o u t l e t n o z z l e s

a r r a n g e d

t o d i r e c t a

j e t

o r s p r a y

o f w a t e r a g a i n s t t h e ?ame.

1 5 . A u r n e r a s s e m b l y

a c c o r d i n g

t o c l a i m 1 3 , i n c l u d

i n g

means

i n t h e

p a t h o f

a i r ? o w i n g b e t w e e n t h e b u r n e r

a n d t h e h o l l o w a n n u l a r

member f o r p r o v i d i n g

t h e a i r

w i t h

a

n o n - a x i a l component

o f v e l o c i t y .

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3 , 9 5 0 , 1 2 5

5

1 6 . A

b u r n e r

a s s e m b l y

a c c o r d i n g

t o c l a i m 1 5 ,

wherein t h e

h o l l o w annular

m e m b e r i s moun t e d on a

s l e e v e a n d

t h e

means

i n

t h e p a t h o f

a i r

?owing

b e t w e e n

t h e

burner and t h e

h o l l o w

a n n u l a r m e m b e r a r e

v a n e s

e x t e n d i n g

b e t w e e n t h e s l e e v e a n d t h e

b u r n e r .

1 7 .

A

b u r n e r

f o r ? u i d

f u e l

c o m p r i s i n g :

a

body

h a v i n g

a

b o r e

open

a t

b o t h e n d s t h r o u g h

w h i c h

a i r

?ows

a n d

a d j a c e n t

one

o f

which

? u i d

f u e l

w i l l

b e b u r n t , s a i d body c o m p r i s i n g a ? r s t p a r t i n

p a r t d e ? n i n g

s a i d

b o r e

a n d

a

s e c o n d

p a r t

which i n

p a r t

d e ? n e s

s a i d

b o r e

a n d

i s

a x i a l l y s l i d a b l e r e l a t i v e

t o s a i d ? r s t p a r t

o f

s a i d b o d y , s a i d b o d y f u r t h e r

i n c l u d i n g

a

chamber f o r ? u i d f u e l d e f i n e d b e t w e e n

s a i d ? r s t

and

s e c o n d p a r t s , s a i d

chamber h a v i n g

a n

i n l e t f o r

? u i d

f u e l a n d a n o u t l e t o p e n i n g i n t o s a i d

b o r e between s a i d ? r s t and second

p a r t s ,

and a

r a d i a l

w a l l

p r o v i d e d b y a r a d i a l l y o u t w a r d l y

e x t e n d

i n g

s u r f a c e on

s a i d s e c o n d

p a r t

s u c h

t h a t

t h e p r e s

s u r e of ?uid i n s a i d c h a m b e r w i l l e x e r t on s a i d

r a d i a l w a l l a f o r c e u r g i n g

t h e

s e c o n d p a r t

o f

s a i d

body

r e l a t i v e

t o

t h e

? r s t

p a r t

o f

s a i d

body

i n

a

d i r e c t i o n

t o

i n c r e a s e t h e

a x i a l

e x t e n t

o f

s a i d

o u t l e t

o p e n i n g ; b i a s i n g means o r m o v i n g s a i d

s e c o n d

p a r t

i n

a

d i r e c t i o n t o

d e c r e a s e

s a i d

a x i a l e x t e n t o f s a i d

o u t l e t o p e n i n g ; a n d

20

25

3 5

40

45

50

55

6 5

6

a i r g u i d e means i n s a i d b o r e ;

s a i d b o r e

i m m e d i a t e l y

u p s t r e a m r e l a t i v e t o

t h e d i r e c

t i o n o f

i r

? o w i n g t h e r e t h r o u g h o f s a i d o u t l e t o p e n

i n g b e i n g

c y l i n d r i c a l a n d

i m m e d i a t e l y d o w n s t r e a m

o f s a i d

o u t l e t

o p e n i n g b e i n g g r a d u a l l y r e d u c e d i n

d i a m e t e r , a n d s a i d a i r g u i d e means c o m p r i s i n g a

b o d y

c o ~ a x i a l

w i t h

s a i d

b o r e

a n d

e x t e n d i n g

i n t o

s a i d c y l i n d r i c a l a n d

r e d u c e d

p o r t i o n s o f s a i d b o r e ,

s a i d body o f t h e

a i r

g u i d e means h a v i n g a t a p e r i n g

p o r t i o n e x t e n d i n g i n t o s a i d g r a d u a l l y r e d u c e d p o r

t i o n o f s a i d b o r e .

1 8 .

A b u r n e r

a c c o r d i n g t o c l a i m 1 7 , w h e r e i n t h e

b i a s s i n g

means s a s p r i n g .

1 9 . A

b u r n e r a c c o r d i n g t o

c l a i m 1 7 , w h e r e i n t h e

b i a s s i n g means i s a

p i s t o n a n d

c y l i n d e r a s s e m b l y .

2 0 .

A

b u r n e r a c c o r d i n g t o

c l a i m

1 7 , w h e r e i n t h e

o u t l e t

o p e n i n g

e x t e n d s c o n t i n u o u s l y

c i r c u m f e r e n t i a l l y

a r o u n d t h e

b o r e .

2 1 .

A u r n e r

a c c o r d i n g

t o c l a i m 1 7 , w h e r e i n

mem

b e r s

a r e

p r o v i d e d

a t

e a c h end

o f t h e

b o r e

h a v i n g

f r u s t o

c o n i c a l

b o r e s t h e r e t h r o u g h c o m m u n i c a t i n g

w i t h

t h e

b o r e ,

e a c h f r u s t o - c o n i c a l

b o r e h a v i n g a d i a m e t e r which

i n c r e a s e s i n a

d i r e c t i o n

away from t h e b o r e o f t h e b o d y .

* *

x:

* *