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...that it was melting ice cream that inspired the invention of the outboard motor? It was a lovely August day and Ole Evinrude was rowing his boat to his favorite island picnic spot. As he rowed, he watched his ice cream melt and wished he had a faster way to get to the island. At that moment the idea for the outboard motor was born!

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Class 123/553 - Intermediate fluid used for heating


Subclass of Class 123 - Internal-combustion engines
Definition: Subject matter in which the source of heat is used to heat
No. of patents: 33
Last issue date: 12/06/2011


NumberTitleIssue Date
8069845Fuel heating during cold start in a direct-injection gasoline engine
It has been found that direct-injection gasoline engines emit particulate matter during the first 500 seconds of operation due to fuel impacting combustion chamber surfaces. To largely overcome the fuel penetrating to surfaces in the combustion chamber, the fuel may...
12/06/2011
7401601Heat exchanger module
For use in an internal combustion engine equipped with a fuel injection system, a heat exchanger module features a distributor block, which is connected via at least one first fuel line with the intake of the injection system and via at least one second fuel line wi...
07/22/2008
7329119Vaporizer for fuel supply to a carburetor
Fuel for supply to the carburetor of an engine is vaporized in a container having a first and second chamber divided by a transverse heating plate against which the fuel is impacted from a fuel injection nozzle a form vapour therefrom so be discharged under pressure...
02/12/2008
7131432Natural gas engine supply method and apparatus
A method and apparatus providing for efficient operation of gas engines in non-ideal temperature conditions. An apparatus is provided in fluid communication with a source of gas, and with the gas input of a gas engine. The apparatus accepts gas from the source, and ...
11/07/2006
6345611Thermostatically controlled heater for gas fuel and gas pressure regulator
A heater for gas fuel mounted to a pressure reducing regulator to warm the gas after the temperature is reduced by the pressure reduction. The heater receives the fuel from the regulator through an external pipe and has separate gas and coolant passages t...
02/12/2002
6209500Cold start fuel preheat system for internal combustion engine
A cold start fuel preheat system for an internal combustion engine includes a housing and a fuel rail extending through the housing to deliver fuel to the internal combustion engine. The cold start fuel preheat system also includes a phase transform mater...
04/03/2001
5819712Air and fuel system for carburetor and fuel injection systems
An air and fuel system for carburetor and fuel injection engines that regulates the temperature of air and fuel that is mixed in the carburetor or fuel injector prior to introduction to the cylinders of the engine. A heater and associated filter located a...
10/13/1998
5349934Evaporative emission control system for internal combustion engines
An evaporative fuel emission control system for an internal combustion engine has a canister connected to a fuel tank of the engine. The canister temporarily stores evaporative fuel generated from the fuel tank. The evaporative emission control system als...
09/27/1994
4991644Engine preheating process and system
A preheater system especially useful for diesel engine cold starts stores waste heat extracted from the engine exhaust flow in the form of chemical potential in a thermal storage material such as lithium bromide. The energy is retrieved during a cold star...
02/12/1991
4773473Heat-exchanger for fuel in an internal combustion engine
An heat exchange arrangement for a fuel system of an internal-combustion engine vehicle utilizing a heat pipe with an evaporizing zone for cooling the fuel directed from the engine to the fuel tank and a condensation zone located in an air path of the veh...
09/27/1988
4705100Fuel/auxiliary oil thermal management system
An arrangement that uses aircraft fuel as a heat sink for aircraft auxiliary oil systems for an aircraft having at least one engine operated by fuel and having an engine interface limit and including a fuel/oil heat exchanger for removing heat from the ai...
11/10/1987
4548186Method and device for preheating an engine or an engine intake air
The present invention provides an engine intake air preheating device having (A) an intake air preheater for preheating air to be fed into an engine, the preheater including a first metal hydride and being disposed within an intake air feeding tube for he...
10/22/1985
4505120Hydrogen compressor
A hydrogen compressor (10) having a hydride (26) suspended in a matrix (28). A cooling jacket (12) circumscribes the compressor (10) and a heater (22) is inserted within the compressor (10). A spring filter (30) is inserted within the compressor (10). A p...
03/19/1985
4505124Heat management system for aircraft
A novel heat management system for aircraft is provided which is based on the aircraft fuel as the heat exchange medium and comprises a dedicated thermal reserve fuel tank for containing refrigerated aircraft fuel (or other expendable liquid) which is coo...
03/19/1985
4497305Cold-start boosting device of automotive engine
Herein disclosed is an improved cold-start boosting device of an automotive engine, which comprises a heat pipe having a heat absorbing end exposed to the vehicle cabin and a heat emitting end exposed to the interior of a passage through which air flows b...
02/05/1985
4489564Hydride storage for hydrogen
A hydride storage for hydrogen comprises a preferably tubular solid casing for the storage material. In the interior of the casing, the storage material is bounded by a wall of a fabric, particularly metallic fabric, through which the hydrogen penetrates ...
12/25/1984
4438750Device for fuel delivery to internal combustion engine with vaporization of injected fuel
Disclosed is a device for fuel delivery to an internal combustion engine, mprising a vaporizing element whose one section is heated by exhaust gases and the other section is disposed in an intake duct and has an operating surface, a fuel charge being inje...
03/27/1984
4414932Method and apparatus for heat storage in internal combustion engines
Exhaust emissions are reduced, fuel consumption is improved for internal-combustion engines, and the number of cold starts reduced by storing heat energy from the operation of the engine in a heat-storage reservoir filled with a change-of-state heat-stora...
11/15/1983
4359996System for preparing hot vaporized fuel for use in internal combustion engine
A system for vaporizing fuel and mixing it in controlled proportions with liquid fuel as a feed to a carburetor in an internal combustion engine comprising a vapor generator for heating liquid fuel to vaporize it, a jacket around the generator filled with...
11/23/1982
4342303Fuel vaporizer and carburetor preheater system
An apparatus for preheating the fuel and carburetor of an internal combustion engine and for improving vaporization of the fuel is disclosed herein which comprises a fuel chamber received within a cylindrical heat chamber including a heated liquid therein...
08/03/1982
4326492Method and apparatus for preheating fuel
A method and apparatus for preheating fuel which employs a canister concentrically mounted on an exhaust pipe of an internal combustion engine, a fuel line through which fuel flows from the engine and which is helically wound within the canister about the...
04/27/1982
4126111Otto internal combustion engine
An Otto internal combustion engine with a high-pressure metering system and with evaporation of the fuel that is heated electrically and/or by means of exhaust gas heat, by way of at least one expansion nozzle; the fuel in the operating phase of the engin...
11/21/1978
4022172Manifold heat exchanger
A manifold heat exchanger for an internal combustion engine is disclosed as including an enclosed liquid receptacle having a heat receiving portion projecting into an exhaust manifold and a heat dissipating portion projecting into an associated intake man...
05/10/1977
4020632Oil cooling system for a gas turbine engine
A gas turbine engine fuel delivery and control system is provided with means to recirculate all fuel in excess of fuel control requirements back to the aircraft fuel tank, thereby increasing the fuel pump heat sink and decreasing the pump temperature rise...
05/03/1977
4008692Vehicle-mounted gaseous fuel generator
Vehicle-mounted gaseous fuel generator consisting of a primary heat-exchange chamber holding coiled pipes for separately preheating a liquid hydrocarbon and water, a secondary heat-exchange chamber similarly equipped with coiled pipes utilizing the heat o...
02/22/1977
3987773Liquid fuel vaporizing device for internal combustion engines
A liquid fuel vaporizing device for an internal combustion engine wherein a heat pipe containing a heat transfer fluid having a boiling point up to 400° C is disposed so that the heat transfer fluid transfers heat from a heat-receiving zone to a heat-dis...
10/26/1976
3977378Self-controlled vapor heat capsule for engine intake mixture heating
An internal combustion engine is provided with a vapor heat capsule that utilizes a vaporizable heat transfer fluid to conduct heat from the engine exhaust gases to a hot plate for heating the intake air-fuel mixture. The rate of heat transfer and tempera...
08/31/1976
3965681Internal combustion engine and turbosupercharger therefor with heat pipe for intake mixture heating
An internal combustion engine is provided with a turbosupercharger including a vaned rotatable compressor wheel arranged in an inlet passage to compress inlet mixture for delivery to the engine combustion chamber, a vaned turbine wheel arranged in an exha...
06/29/1976
3963010Engine with fast warm up heat pipe mixture heating
An internal combustion engine induction system is provided with a heat pipe arrangement having fast warm up and automatic temperature control characteristics to quickly apply exhaust heat to the inlet mixture during warm up while controlling the maximum h...
06/15/1976
3963012Engine with vapor heat transfer capsule for intake mixture heating
An internal combustion engine is provided with a vapor heat transfer capsule mounted between the inlet and exhaust manifolds, below the carburetor, to transfer exhaust heat to the intake manifold air-fuel mixture. The heat transfer capsule includes boiler...
06/15/1976
3957024Device for vaporizing liquid fuel
A liquid containing heat pipe for vaporizing uncombusted fuel is disclosed having a liquid transfer storage zone and optionally separate heating means disposed to heat only part of the liquid in said pipe....
05/18/1976
3939813Liquid fuel vaporizing device for internal combustion engines
A liquid fuel vaporizing device for an internal combustion engine wherein a heat pipe containing a heat transfer fluid having a boiling point up to 400°C is disposed so that the heat transfer fluid transfers heat from a heat-receiving zone to a heat disc...
02/24/1976
3935849Fuel vaporizing device for an internal combustion engine or gas turbine
A device is disclosed for vaporing liquid fuel before introduction into a combustion chamber comprising a heat pipe containing heat transfer fluid communicating with additional fluid external to the heat pipe....
02/03/1976
 
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