U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

Icon_funbox Celebrity Inventors

Actor Marlon Brando has four patents, all named "Drumhead tensioning device and method."

Newsletter  PatentStorm News

Make the Most of Our Site

See this month's Top Inventors and Most Cited Patents.

Stay on top of the latest innovations by subscribing to an RSS feed.

Registered users: Manage your profile.

 

Class 123/41.63 - With impelling means


Subclass of Class 123 - Internal-combustion engines
Definition: Subject matter which includes devices for impelling cooling
No. of patents: 17
Last issue date: 01/20/2009


NumberTitleIssue Date
7478613Arrangement in air-cooled internal combustion engine
Arrangement in an internal combustion engine, said arrangement comprises a fan for supplying combustion air to a carburetor. The fan comprises a fan housing (11) and a fan wheel (12) provided with a number of wings (13) extending in substantiall...
01/20/2009
7412962Engine grass screen assembly
A highly durable engine grass screen assembly is disclosed. The assembly includes a grass screen for covering an air intake port of the engine, a grass screen stiffening mechanism for supporting the grass screen, a washer mechanism for compressing the screen such th...
08/19/2008
7207228Tracer airflow measurement system (TRAMS)
A method and apparatus for measuring fluid flow in a duct is disclosed. The invention uses a novel high velocity tracer injector system, an optional insertable folding mixing fan for homogenizing the tracer within the duct bulk fluid flow, and a perforated hose samp...
04/24/2007
7188699Axle assembly with cooling pump
An axle assembly with a cooling pump. The cooling pump includes a disk-shaped wheel with a plurality of radially-spaced ducts formed therein. The wheel is positioned in proximity to the axle assembly and rotated, allowing the ducts to draw air therethrough and direc...
03/13/2007
7017531Vehicle intercool system
The invention involves a vehicle with a cab. The environment of the cab may be maintained by a heating, ventilation, and air-conditioning (HVAC) system that will provide cool air to the cab in hot weather and warm air to the cab in colder weather. The HVAC system wi...
03/28/2006
6928963Low drag fan for a ram air induction system
A low drag fan assembly is provided which is adapted to be mounted within a ducting conduit of a ram air induction system of a vehicle for cooling a heat exchanger. The assembly includes a motor having an output drive; a motor bracketing system attached to the motor...
08/16/2005
6915764Flywheel for an internal combustion engine
A flywheel (1) for an internal combustion engine is provided for generating a cooling air flow and is especially for a two-stroke engine on a portable handheld work apparatus such as a motor-driven chain saw, cutoff machine or the like. The flywheel (1...
07/12/2005
6581562Open center recoil starter
An open center recoil starter in a small internal combustion engine having a blower housing, a flywheel, and a crankshaft. The open center recoil starter generally includes an annular cover mounted to the blower housing and defining an airway into the blo...
06/24/2003
6062177Hand-guided working tool such as a trimmer, motor chainsaw, or cutter with an internal combustion engine with an air intake blower
A hand-guided working tool has a housing and an internal combustion engine arranged in the housing. The internal combustion engine has a cylinder, a crankshaft, and a crankcase enclosing the crankshaft. An air filter box including an air filter element is...
05/16/2000
5890460Electrical generator set
The electrical generator set has two separate cooling airflows. A first airflow is generated by an impeller mounted on the drive shaft of the engine and provides for cooling the electrical generator or alternator and for partial cooling of the electrical ...
04/06/1999
5285751Engine air intake screen assembly
An engine air intake screen assembly having a rotating screen is provided. A blade is positioned directly under the screen to scrape accumulated debris off the inside surface of the rotating screen, and to also chop debris flowing through the screen. The ...
02/15/1994
5233946Engine-driven blower unit
An engine-driven blower unit has a casing, an impeller provided inside the casing, and an engine. The casing has a first opening on its wall close to the cooling fan of the engine so that a portion of the air inside the casing is let out through the first...
08/10/1993
5046458Air-cooled engine flywheel fan rotational debris inlet screen
An air-cooled internal combustion engine having a rotating screen and a blower housing surrounding the screen. A ring is attached to the housing and positioned circumjacent the screen to define a precisely gauged radial clearance gap between the ring and ...
09/10/1991
4873944Partially liquid-cooled type forced air-cooling system for internal combustion engine
In a partially liquid-cooled type forced air-cooling system for an internal combustion engine which includes an air-cooled cylinder and a liquid-cooled cylinder head, a centrifugal cooling fan is provided in front of a crankcase so as to rotate about the ...
10/17/1989
4340014Ventilation blower for a noise-suppressing encapsulated internal combustion engine
An internal combustion engine with a noise-suppressing encapsulation has a drive wheel for auxiliary units which is driven by the crankshaft of the engine and arranged outside the encapsulation. The drive wheel consists of two concentric parts which are c...
07/20/1982
4213426Shrouding for engine mounted cooling fan
Engine cooling fan shrouding comprising a flexible shroud mounted on a stationary component within the engine compartment and a rotating shroud carried by the blade tips of an engine mounted cooling fan. With this arrangement, there is small clearance bet...
07/22/1980
3952712Composite flywheel assembly
A composite flywheel assembly for an air-cooled internal combustion engine including a cast iron flywheel which provides the inertial drive for the engine and a separate blower member having a circumferential array of vanes for propelling a flow of coolin...
04/27/1976
 
Sign InRegister
Username  
Password   
forgot password?