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Patent No. 5377411

Hair Cutting Appliance

A haircutting appliance comprises an enclosed housing having a hollow handle connecting the housing to a vacuum source to carry away cut hairs from a subject's head.

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Class 123/550 - Combustion heater


Subclass of Class 123 - Internal-combustion engines
Definition: Subject matter in which the means for heating uses combustion
No. of patents: 46
Last issue date: 09/18/2007


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NumberTitleIssue Date
7270098Vehicle heater and controls therefor
A heater for a liquid has a combustion chamber, a jacket for the liquid extending about the combustion chamber and a burner head assembly connected to the combustion chamber. The burner head assembly includes a housing having a burner mounted thereon and a hollow in...
09/18/2007
7264075Snowmobile with a turbocharged four-stroke engine
A snowmobile is provided that includes a frame, an engine, an endless belt drive system, and an air intake system for the engine. The frame has a forward portion and an aft portion. The engine is mounted to the forward portion and the belt drive system is mounted to...
09/04/2007
7040280Spark ignition enhancer and spark plug therewith
A spark ignition enhancer is provided in a combustion chamber of a spark ignition direct injection engine. The combustion chamber includes a fuel injector operable to spray a fuel plume into the chamber near a spark gap. The ignition enhancer includes a diversion el...
05/09/2006
6976481Vehicle-mounted internal combustion engine
An vehicle-mounted internal combustion engine (1) provided with an EGR line (11) for recirculating exhaust gas, an EGR valve (12) which is arranged in said EGR line (11) and controls an EGR amount, and an EGR controller (41), is co...
12/20/2005
6868668Internal combustion engine
Disclosed is an internal combustion engine which is to be mounted on automobiles or the like and in which an improvement has been achieved in terms of startability and combustion stability during warm-up operation. In an internal combustion engine of the type in whi...
03/22/2005
6736118Fuel density reduction method and device to improve the ratio of oxygen mass versus fuel mass during ignition in combustion mechanisms operating with fluid hydrocarbon fuels
A method and device for changing the rate of density between fluid hydrocarbon fuels and combustion air prior to ignition and combustion in residential, commercial and industrial combustion mechanisms, by extracting heat from the mechanism's combustion zone or flue ...
05/18/2004
6571779Internal combustion engine having combustion heater
An internal combustion engine having a combustion heater is constructed to prevent a thermal damage to the structure of an intake system due to combustion heat emitted from the combustion heater. The engine includes the combustion heater operating at a co...
06/03/2003
6470863Internal combustion engine having combustion heater
An internal combustion engine having a combustion heater is constructed to prevent a thermal damage to the structure of an intake system due to combustion heat emitted from the combustion heater. The engine includes the combustion heater operating at a co...
10/29/2002
6321730Internal combustion engine having combustion heater
An internal combustion engine having a combustion heater is constructed to prevent a thermal damage to the structure of an intake system due to combustion heat emitted from the combustion heater. The engine includes the combustion heater operating at a co...
11/27/2001
6293241Internal combustion engine with combustion heater
In an internal combustion engine with a combustion heater for elevating a temperature of an engine related element, an object of the present invention is to provide a technique that may effectively performs temperature elevation of an exhaust gas purifyin...
09/25/2001
6273073Internal combustion engine having combustion heater
An internal combustion engine having a combustion heater is constructed to prevent a thermal damage to the structure of an intake system due to combustion heat emitted from the combustion heater. The engine includes the combustion heater operating at a co...
08/14/2001
6260545Internal combustion engine having combustion heater
An internal combustion engine having a combustion heater is capable of surely effecting an ignition of the combustion heater. In the engine having the vaporization type combustion heater operated at a cold time to raise a temperature of engine cooling wat...
07/17/2001
6227178Control system of combustion heater for internal combustion engine
A control system of a combustion heater for an internal combustion engine to provide satisfactory combustion in a combustion chamber of the internal combustion engine even when an exhaust gas produced by the combustion heater is introduced into an intake ...
05/08/2001
6227181Internal combustion engine having combustion heater
Disclosed is an internal combustion engine having a combustion heater of a type of introducing a combustion gas into an intake system, in which an air/fuel ratio is prevented from becoming rich, and NOx and particulate matters are to be reduced even when ...
05/08/2001
6119660Compression-ignition internal combustion engine having combustion heater
In the compression-ignition internal combustion engine having the combustion heater for introducing combustion gas into a mainstream pipe constituting the intake system of the engine, a fuel injection timing by a injector of the engine is advanced as an o...
09/19/2000
6055964Internal combustion engine having combustion heater
An internal combustion engine having a combustion heater is constructed to prevent an influence by a blow-by gas and to maintain well the combustion in the combustion heater even when introducing the combustion air of the combustion heater from an intake ...
05/02/2000
5685278Fuel supply system
A filter system forming part of the fuel system of a compression ignition engine includes a housing which carries a filter element. The housing has a first inlet which opens into a chamber defined between the housing and chamber the first inlet being conn...
11/11/1997
5664547Flame glow plug for a diesel engine
In a flame glow plug for a Diesel engine with an insert structure mounted on the plug body for the supply of fuel thereto, wherein the plug body includes in a vaporizing tube, a heating rod arranged in spaced relationship to the vaporizing tube such that ...
09/09/1997
5555853Lightweight back-pack generator set having a spark-ignited engine operating on middle distillate fuels
A lightweight back-pack generator set having a spark-ignited engine operating on middle distillate fuels (e.g., JP-5, JP-8 and F-34) has been provided. The generator set includes a back-pack frame; an alternator; and a spark-ignited combustion engine adap...
09/17/1996
5402757Flame glow unit
Flame glow unit for heating the combustion air for a combustion device, especially an internal combustion engine. A flame glow plug, which is placed in the air duct of the combustion device, is supplied by a control device with current and fuel, and forms...
04/04/1995
5377440Flame starting unit for a combustion device
Flame starting unit for a combustion device, especially an internal combustion engine, for preheating the combustion air. A flame glow plug is placed in the combustion air duct of the combustion device and is supplied with fuel and current by a control de...
01/03/1995
5138987Process for heating the intake air internal combustion engines by means of a flame starting system
A process and device for heating the intake air in internal-combustion engines by means of a flame starting system is disclosed which contains at least one heater plug and has a control unit which supplies the heater plug with voltage for a specific prehe...
08/18/1992
5130517Flame-type heater plug with two control coils for an air-compression fuel-injection internal-combustion engine
The invention relates to a flame-type heater plug for an air-compression fuel-injection internal-combustion engine, especially a direct-injection and superchargable internal-combustion engine. The heater plug includes a heater tube arranged in the course ...
07/14/1992
4749028Air conditioner system with combustion heater for automobiles
An air conditioner system for automotive vehicles has an evaporator disposed in a duct and selectively operative to cool air flowing through the duct, and a combustion heater disposed outside the duct and held in air flow communication with the latter for...
06/07/1988
4648361Heating device
An electric starting aid for an internal combustion engine has a metal body having an integral tubular member about which is located a fuel pervious insulating sleeve. Surrounding the sleeve is an electric heating element. Fuel can be supplied to the inte...
03/10/1987
4587941Intake burner
An intake burner is disclosed for use in an internal combustion engine having an air intake system including an air intake tube, comprising an outer tube adapted to be attached to the air intake tube, a heater mounted in the outer tube and made of a ceram...
05/13/1986
4506505Diesel internal combustion engine with soot burn-off device
A diesel internal combustion engine with a soot filter in the exhaust system is equipped with a controllable soot burn-off device. The latter comprises a burner arranged in the soot filter and is operable with fresh air separately fed to the soot filter. ...
03/26/1985
4483285Diesel engine cold starting arrangement
A return line communicates excess fuel from the injectors of a diesel engine to a fuel tank and is connected to a nipple on a filler pipe of the fuel tank. A dam wall is provided inside the pipe over an inlet from the nipple and forms a small reservoir fo...
11/20/1984
4413606Heating device for preheating combustion air for an internal combustion engine
A heating arrangement for preheating combustion air flowing through an intake manifold of an internal combustion engine, the heating arrangement including a pot-shaped housing forming a combustion chamber into which an ignition device and a fuel injection...
11/08/1983
4368715Fuel burner for heating internal combustion engine intake air
A burner assembly (18) for heating the intake air of an internal combustion engine (2) including a burner housing (32) containing a fuel passage (52, 66, 70, 72) and a glow plug (87) for heating the burner housing (32) upon start up of the burner to melt ...
01/18/1983
4350133Cold start characteristics of ethanol as an automobile fuel
An alcohol fuel burner and decomposer in which one stream of fuel is preheated by passing it through an electrically heated conduit to vaporize the fuel, the fuel vapor is mixed with air, the air-fuel mixture is ignited and combusted, and the combustion g...
09/21/1982
4309967Variation of engine coolant heater
A heater for the liquid coolant in an internal combustion engine which includes a tank connected to the engine block for the circulation of engine coolant, the tank having an enclosure within its interior in sealed, heat transfer relationship with the liq...
01/12/1982
4246879Fuel injection apparatus
A fuel injection apparatus for use with an internal combustion engine provides for the injection of a fuel carrying air stream into the intake manifold of the engine adjacent the intake port of each cylinder. The apparatus includes a fuel proportioning de...
01/27/1981
4186560Internal combustion engines
An engine system includes a compression ignition engine, a turbo-supercharger for supplying air under pressure to the engine, an intercooler disposed between the outlet of the compressor of the turbo-charger and the engine, an air heater the output of whi...
02/05/1980
4176651Engine combustion system
An engine combustion system is provided wherein fuel is supplied to the engine combustion chamber in the form of a hot vapor. The system preferably includes a preburner wherein a portion of a liquid fuel supply is burned internally to provide a hot, gaseo...
12/04/1979
4169448Air heater system
An air heating system for a compression ignition engine comprises a combustion chamber which includes a burner through which fuel is supplied to the combustion chamber. A two stage fuel pump is provided to supply fuel to the burner with the output of the ...
10/02/1979
4161164Internal combustion engine fuel supply system
The method of operating an internal combustion engine which includes the steps of converting liquid hydrocarbon fuel to a soot-free gaseous fuel by means of partial combustion in a converter while supplying an oxygen-containing gas to the converter by mea...
07/17/1979
4036180Fuel reforming system for an internal combustion engine
A system for converting a rich air-fuel mixture to a reformed gaseous mixture containing hydrogen and for feeding the reformed gaseous mixture to an internal combustion engine comprises a carburetor for producing the rich air-fuel mixture, a vortex combus...
07/19/1977
4034729Preheating apparatus of a diesel engine
In a preheating apparatus of a diesel engine of the type wherein, at the time of starting the engine, a fuel pump is used to inject fuel through a nozzle into a precombustion chamber provided with a preheating device, and the suction air preheated by the ...
07/12/1977
4027642Intake air heating device for use in internal combustion engine
This invention relates to an intake air heating device in an internal combustion engine. The intake air heating device comprises means for guiding flames from a flame holding or baffle cylinder to an intake pipe, the aforesaid means being attached to one ...
06/07/1977
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