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Patent No. 5996127

Wearable Device For Feeding and Observing Birds and Other Flying Animals

A device for feeding and observing flying animals comprising a hat, a support mounted on the hat and extending outward from the hat, and a feeder mounted on the support.

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Class 123/281 - Precombustion chamber shape is a figure of revolution


Subclass of Class 123 - Internal-combustion engines
Definition: Subject matter wherein the three-dimensional shape of the
No. of patents: 26
Last issue date: 07/05/2005


NumberTitleIssue Date
6912988Multiple-front combustion chamber system with a fuel/air management system
A combustion chamber of a positive-displacement spark-ignited internal combustion engine is divided into a main combustion chamber and a pre-combustion chamber having proximal and distal ends. The proximal end is connected to the main combustion chamber and a spark-...
07/05/2005
6854439Prechamber combustion system
An improved combustion system particularly for a larger type diesel engine featuring a prechamber with a generally cup-shaped bottom tip portion facing the engine's main combustion chamber and with a central transfer passage substantially aligned with the centerline...
02/15/2005
6708666Multi-zone combustion chamber for combustion rate shaping and emissions control in premixed-charge combustion engines
An apparatus and method for improving efficiency of combustion engines. At least two combustion chambers are provided by contouring the surface of a piston or a cylinder head or a combination thereof. Such a contoured piston or cylinder head controls the peak temper...
03/23/2004
6161516Process for the formation of a fuel mixture and for its ignition in a pre-chamber that is open toward the cylinders
Process for ensuring the mixing of a predetermined quantity of liquid or gaseous fuel with the air that is contained in a pre-chamber with one end that is open toward cylinders of an alternative internal-combustion engine, as well as the ignition of the m...
12/19/2000
5086735Reciprocating internal combustion engines of the two-stroke type
The two-stroke cycle engine employing intake and exhaust valves comprises a combustion and scavenging prechamber having substantially a shape of revolution about an axis and provided with an intake valve seat. Deflecting means or vanes are disposed inside...
02/11/1992
4903656Gas engine
A gas engine of a pre-chamber type in which a pre-chamber is arranged in communication to a main combustion chamber, an intake passage is arranged to supply lean mixture to the main chamber, a gas pipe is provided to form rich mixture by fuel gas in the p...
02/27/1990
4771748Spark-ignition, air-compressing, internal combustion engine
A spark-ignition, air-compressing, internal combustion engine having a combustion chamber in the shape of a body of revolution with a constricted opening in the piston crown. The injection nozzle is located in the cylinder head near the edge of the combus...
09/20/1988
4616605Two-cycle engine with improved scavenging
A two-cycle internal combustion engine having an "open" combustion chamber/poppet valve arrangement that produces improved scavenging. The combustion chamber has a generally oblate configuration and is slanted with respect to the cylinder axis in such a m...
10/14/1986
4532898Fuel injection type internal combustion engine
In a fuel injection type internal combustion engine including a cylinder body with a cylinder chamber, a cylinder head, a piston adapted to be reciprocated within the cylinder chamber, an injection nozzle having its central axis inclined with respect to t...
08/06/1985
4469058Ignition arrangement for internal combustion engine
An incandescent ignition arrangement for an internal combustion engine is combined with a fuel-injection device and has an ignition chamber formed as an annular space coaxial with and surrounding the fuel-injection device, an overflow passage rising towar...
09/04/1984
4467759Combined air intake passage and precombustion chamber for internal combustion engine
Internal combustion reciprocating-piston engine precombustion chamber in which a mass of air or of air mixed with selective amounts of fuel and a spark-ignitable air-fuel mass are relatively segregatively compressed with the latter mass enveloping spark e...
08/28/1984
4465033Energy conversion cycle for internal combustion engine and apparatus for carrying out the cycle
An energy conversion cycle for an internal combustion engine and an internal combustion engine capable of carrying out the process to produce work, the process characterized by the steps of forming fuel and air charges having fuel to air proportions varyi...
08/14/1984
4465032Precombustion chamber for internal combustion engine
Internal combustion reciprocating-piston engine precombustion chamber in which a mass of air or air mixed with selective amounts of fuel and a spark-ignitable air-fuel mass are segregatively compressed with the latter mass enveloping spark electrodes prep...
08/14/1984
4452221High squish dual swirl engine combustion chamber
A high efficiency high ratio dual swirl combustion chamber of a spark ignition internal combustion engine includes in preferred embodiment opposing closely conforming squish surfaces with an eight (8) shaped subchamber recess formed of adjoining subcylind...
06/05/1984
4446831Precombustion chamber for internal combustion engine
A spark-ignition type internal combustion engine having a precombustion chamber auxiliary to the variable volume space in the engine cylinder between the piston and cylinder head. Fuel injected into air in the chamber and fuel-laden air initially entering...
05/08/1984
4444166Method and apparatus for reducing the operating compression ratios of compression ignition engines
A method and apparatus for combusting diesel, gasoline, kerosene, alcohol and other compression ignition fuels in either direct or indirect injection compression auto ignition internal combustion engines which enables such engines to operate at low compre...
04/24/1984
4323039Antechamber system diesel engine
An antechamber system Diesel engine including an antechamber consisting of a front chamber and a rear chamber and a communication port communicating said antechamber with a main combustion chamber wherein at least one of fuel injection ports of a fuel inj...
04/06/1982
4254751Diesel engines
A diesel engine has a transfer duct interconnecting a cylinder and a substantially toroidal precombustion chamber into which projects a fuel injector having four radially arranged, angularly equidistant nozzles, the fuel injector being coaxial with the ge...
03/10/1981
4044730Auxiliary combustion chamber for an internal combustion engine
An auxiliary combustion chamber at least partially embedded in the cylinder head of an internal combustion engine adjacent the intake valve of a main combustion chamber and having a spark plug positioned in the auxiliary chamber and unvalved inlet and out...
08/30/1977
4034733Internal combustion engine
The invention disclosed is an internal combustion engine of the type having a main combustion chamber for combustion of the lean mixture; a trap chamber for trapping therein the rich mixture; a spark plug for igniting the rich mixture in the trap chamber;...
07/12/1977
4000722Externally ignited four cycle internal combustion engine
An externally ignited four cycle internal combustion engine equipped with an inlet valve and an outlet valve. A swirl (turbulence or vortex) chamber is provided within the cylinder head, the height of the swirl chamber being less than its maximum diameter...
01/04/1977
3980057Torch ignition type internal combustion engine
A torch ignition type internal combustion engine with no intake valve in the auxiliary combustion chamber, the engine comprising: a cylinder; a cylinder head; a reciprocating piston received snugly in said cylinder; a main combustion chamber defined betwe...
09/14/1976
3968782Torch ignition type internal combustion engine with a restricted orifice
A torch ignition type internal combustion engine with no intake valve in the auxiliary combustion chamber, the engine comprising: a cylinder; a cylinder head; a reciprocating piston snugly received in said cylinder; a main combustion chamber defined betwe...
07/13/1976
3963001Combustion system for internal combustion engines
Method and apparatus for burning fuel in internal combustion engines. A series of mutually distinct burning loci are created. Heated gas streams and fuel streams flow into these burning loci. Substantially all, or at least most, of the fuel is injected du...
06/15/1976
3954089Diesel engine
A direct-injection, open-chamber, compression-ignition engine is designed to operate at high outputs with a minimum production of oxides of nitrogen by a combination of fuel-air ratios, air-delivery swirl, fuel injection rates and pattern and diameter and...
05/04/1976
 
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