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NEW PATENTS 59 The invention provides a pair of exhaust gas separation stages comprised in a gas separating vortex tube having an exhaust gas operated tur- bine impeller or rotor with stator wheels: The system combination also includes a mixing chamber for heavier and lighter combustible gas components subsequent to separation, wherein such components are directed to the top surface of a water charge in the mixing chamber, and fur- ther includes a pair of chemical separation cham- ber downstream of the mixing chamber containing specified chemicals wherein the mix- ing chamber removes substantial parts of for- maldehyde and nitrous oxides while the chemical chambers remove acetaldehyde and higher al- dehyde components. Finally, the gas mixture from the chemical separation chamber passes through a water scrubber to remove traces of chemicals which may be used to keep traces of chemicals in the chemical chamber from reaching the engine. In particular, the use of a pair of chemical chambers in serial flow arrange- ment increases the actual life of the chemical solutions and also the efficiency of the aldehyde removal process. 4398826 ASPHALTIC CONCRETE RECYCLING APPARATUS Robert L Mendenhall An improved asphaltic concrete recycling appa- ratus comprises an elongated drum having an open inlet port at a first drum end and a product recovery port adjacent a second and opposite drum end, a burner adjacent the first drum end for introducing hot gases of combustion into the inlet port, and an elongated sleeve extended along the interior of the drum intermediate the first and second ends for directing the hot gases of combustion toward the second drum end. In the preferred embodiment, the first end of the sleeve is located in a portion of the drum where a veil of composition is avoided during drum rota- tion, and the second sleeve end is located in a drum portion where a curtain or veil of composi- tion is formed. 4398523 FUEL CONSERVATION DEVICE Dennis R Henson A fuel conservation device for internal combus- tion engines of vehicles, or the like, comprising a housing interposed between the usual fuel pump and carburetor of the engine, the housing having two compartments, a heating element disposed in one of the compartments, the other of said compartments having an inlet in communication with the fuel pump for receiving raw fuel there- from and an outlet for discharging vaporized fuel therefrom, a level control device disposed in the second mentioned compartment for con- trolling the fluid level therein, a secondary carburetor interposed between the housing and the carburetor of the engine and in communica- tion with the outlet of the housing and the throat of the usual carburetor for directing the vapo- rized fuel into the carburetor for passage therethrough to the engine combustion cham- ber, the heating element providing heat for the second compartment for vaporization of the fuel therein whereby substantially completely vapo- rized fuel is delivered to the combustion chamber to increase the fuel efficiency and reduce exhaust pollutants. 4397692 METHOD FOR THE RECLAMATION OF GLASS FIBER FROM SCRAP FIBER GLASS MAT

4398826 Asphaltic concrete recycling apparatus

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NEW PATENTS 59

The invention provides a pair of exhaust gas separation stages comprised in a gas separating vortex tube having an exhaust gas operated tur- bine impeller or rotor with stator wheels: The system combination also includes a mixing chamber for heavier and lighter combustible gas components subsequent to separation, wherein such components are directed to the top surface of a water charge in the mixing chamber, and fur- ther includes a pair of chemical separation cham- ber downstream of the mixing chamber containing specified chemicals wherein the mix- ing chamber removes substantial parts of for- maldehyde and nitrous oxides while the chemical chambers remove acetaldehyde and higher al- dehyde components. Finally, the gas mixture from the chemical separation chamber passes through a water scrubber to remove traces of chemicals which may be used to keep traces of chemicals in the chemical chamber from reaching the engine. In particular, the use of a pair of chemical chambers in serial flow arrange- ment increases the actual life of the chemical solutions and also the efficiency of the aldehyde removal process.

4398826

ASPHALTIC CONCRETE RECYCLING APPARATUS

Robert L Mendenhall

An improved asphaltic concrete recycling appa- ratus comprises an elongated drum having an open inlet port at a first drum end and a product recovery port adjacent a second and opposite drum end, a burner adjacent the first drum end for introducing hot gases of combustion into the inlet port, and an elongated sleeve extended along the interior of the drum intermediate the first and second ends for directing the hot gases of combustion toward the second drum end. In the preferred embodiment, the first end of the

sleeve is located in a portion of the drum where a veil of composition is avoided during drum rota- tion, and the second sleeve end is located in a drum portion where a curtain or veil of composi- tion is formed.

4398523

FUEL CONSERVATION DEVICE

Dennis R Henson

A fuel conservation device for internal combus- tion engines of vehicles, or the like, comprising a housing interposed between the usual fuel pump and carburetor of the engine, the housing having two compartments, a heating element disposed in one of the compartments, the other of said compartments having an inlet in communication with the fuel pump for receiving raw fuel there- from and an outlet for discharging vaporized fuel therefrom, a level control device disposed in the second mentioned compartment for con- trolling the fluid level therein, a secondary carburetor interposed between the housing and the carburetor of the engine and in communica- tion with the outlet of the housing and the throat of the usual carburetor for directing the vapo- rized fuel into the carburetor for passage therethrough to the engine combustion cham- ber, the heating element providing heat for the second compartment for vaporization of the fuel therein whereby substantially completely vapo- rized fuel is delivered to the combustion chamber to increase the fuel efficiency and reduce exhaust pollutants.

4397692

METHOD FOR THE RECLAMATION OF GLASS FIBER FROM SCRAP FIBER GLASS MAT