Patents
Sitemap › F01 - Machines or engines in general; Engine plants in general; Steam engines › F01P - Cooling of machines or engines in general; Cooling of internal-combustion engines › F01P 1 - Air cooling
Patents for F01P 1 - Air cooling (1,990)
12/1991
12/10/1991US5070686 Vertical engine for walk behind lawn mower
10/1991
10/22/1991CA1291045C Muffler system
08/1991
08/28/1991EP0443210A1 Fire protected agricultural machine
08/22/1991CA2026952A1 Cooling means for overhead cam engine
08/08/1991DE4102645A1 Air cooling parts of vehicle IC engine - include exhaust gas driven fan operating turbocharger
08/07/1991EP0440401A1 Air-cooled internal combustion engine
07/1991
07/16/1991US5031591 OHC vertical crankshaft engine
05/1991
05/22/1991EP0252108B1 Heat engine with cooling of the pistons and jackets
05/14/1991US5014660 Cooling system for an enclosed heat source
04/1991
04/16/1991US5007386 Intake system for automotive engine
03/1991
03/12/1991CA1281291C Two cycle engine with exhaust bridge lubrication
02/1991
02/26/1991US4995349 Stratified air scavenging in two-stroke engine
02/05/1991US4989552 Air-cooled internal combustion engine
01/1991
01/08/1991US4982705 Air-cooled internal combustion engine
12/1990
12/19/1990EP0403033A1 A forcedly air-cooled engine
12/18/1990US4977862 Engine room-cooling control system
12/18/1990US4977743 Cooling control system for internal combustion engines equipped with superchargers
11/1990
11/22/1990EP0397701A1 Two cycle engine with exhaust bridge lubrication
11/20/1990US4970993 Portable handheld motor tool having a one-piece fan housing
10/1990
10/09/1990US4961405 Air shroud for cylinder and cylinder head assemblies
09/1990
09/18/1990US4958095 Starter-alternator for a vehicle engine
08/1990
08/21/1990US4949687 Four valve cylinder head for a four cycle engine
07/1990
07/31/1990CA1272083A1 All terrain vehicle
06/1990
06/13/1990DE3841546A1 Cooling air guide device for a reciprocating piston engine
06/12/1990CA1270163A1 Arrangement for controlling the intake air for the carburetor of a hand-held portable tool
06/05/1990US4930460 Engine room-cooling control system
05/1990
05/22/1990US4926638 Negative pressure air stream accelerator of suction type air cooling mechanism for internal combustion engine
04/1990
04/10/1990US4915063 Vapor lock prevention system
03/1990
03/29/1990DE3832013A1 Reciprocating piston internal combustion engine with crankcase charge air pumps
03/06/1990US4905633 Air cooling mechanism for internal center of internal combustion engine
02/1990
02/27/1990US4903485 Muffler cooling device for V-type engine
01/1990
01/09/1990US4891940 Muffler cooling structure for liquid-cooled engine system
01/02/1990US4890584 Engine having vertical crankshaft
10/1989
10/17/1989US4873944 Partially liquid-cooled type forced air-cooling system for internal combustion engine
09/1989
09/14/1989DE3905254A1 Cooling device for fuel injection valves of an internal combustion engine
09/12/1989US4864988 Lubricating arrangement for a reciprocating piston internal combustion engine
09/12/1989US4864981 Overhead valve type engine
08/1989
08/22/1989US4858565 Engine component heating and cooling assembly
08/17/1989DE3902504A1 Two-stroke motor with stratified air scavanging
08/16/1989CN2042893U Resonant air-intake and exhaust-injection system
08/02/1989EP0325580A1 Pressurized ignition system
07/1989
07/18/1989US4848294 Carburetor heating device for small snowmobile
07/13/1989DE3842503A1 Cooling system especially for air-cooled engines
07/11/1989US4846115 Air-cooled engine
07/06/1989DE3841710A1 Internal combustion engine with a cross-flow cylinder head, especially an air-cooled detached cylinder head for motor cycle internal combustion engines
07/05/1989EP0323212A2 Cooling control system for internal combustion engines equipped with supercharges
07/05/1989EP0323211A2 Engine room cooling control system
07/05/1989EP0323210A2 Cooling control system
06/1989
06/29/1989WO1989005910A1 Internal combustion engine with a cross-flow cylinder head, in particular an air-cooled single cylinder head for internal combustion engines for motorcycles
06/29/1989WO1989005909A1 Two cycle engine with exhaust bridge lubrication
06/29/1989DE3743260A1 Reciprocating-piston machine
05/1989
05/30/1989EP0245355A4 Vapor lock prevention system.
05/16/1989US4829940 Piston for two-cycle engines
05/11/1989DE3736633A1 Two-stroke internal combustion engine
05/02/1989US4825816 Engine with forced air-cooling
04/1989
04/19/1989EP0312229A2 Air-cooling mechanism for the internal centre of an internal-combustion engine
04/12/1989CN1003882B Fluid coupling device having improved heat dissipation
03/1989
03/08/1989EP0305689A2 Lubricating device for a reciprocating-piston engine
02/1989
02/23/1989DE3727106A1 Air-cooled internal combustion engine with a cooling air duct incorporated into the engine
01/1989
01/17/1989US4798182 Portable engine
12/1988
12/29/1988DE3719266A1 Sound-insulated air-cooled internal combustion engine
12/27/1988US4793293 Cooling air intake structure for small-sized vehicles
12/22/1988DE3719255A1 Noise-encapsulated air-cooled internal combustion engine
12/14/1988EP0294821A2 Sound insulating enclosure for an air-cooled internal combustion engine
12/13/1988US4790273 Vertical engine for walk behind lawn mower
11/1988
11/09/1988EP0289912A2 Partially liquid-cooling type forcedly air-cooling system for internal combustion engine
11/01/1988US4781152 Barrel heat engine whose pistons and liners are cooled by a directed fluid flow produced by turbines inside the engine
10/1988
10/25/1988US4779588 Air-cooled multi-cylinder internal combustion engine
10/11/1988US4776302 Two cycle engine with exhaust bridge lubrication
09/1988
09/13/1988US4770130 Chain saw
09/06/1988US4768477 For an internal combustion engine
08/1988
08/31/1988EP0280199A2 Vertical engine for walk behind lawn mower
08/24/1988EP0279446A2 Air cooled internal combustion engine
08/24/1988EP0279445A2 Vertical engine for walk-behind lawn mower
08/03/1988EP0276690A1 Muffler system
05/1988
05/31/1988US4747374 Cooling air arrangement for air-cooled internal combustion engine
05/17/1988US4744337 Portable engine
05/03/1988US4741411 Muffler system
04/1988
04/07/1988WO1988002564A1 Pressurized ignition system
04/05/1988US4735278 Heated air ducting structure for motor cycles
03/1988
03/16/1988EP0260027A2 An overhead-valve type forcedly air cooled engine
03/08/1988US4729346 Air-cooled multi-cylinder internal combustion engine
02/1988
02/09/1988US4723619 Cover structure for power transmission device
02/09/1988CA1232501A1 Cylinder head for an air cooled reciprocating piston internal combustion engine
01/1988
01/28/1988DE3625301A1 Air-cooled internal combustion engine with air deflectors on the cylinders
01/07/1988DE3621609A1 Internal combustion engine of modular construction
12/1987
12/23/1987EP0249687A2 Air-cooled multi-cylinder internal-combustion engine
12/23/1987EP0249686A2 Air-cooled multi-cylinder internal-combustion engine
12/15/1987US4712629 Engine and drive belt cooling system for an all terrain vehicle
11/1987
11/19/1987EP0245355A1 Vapor lock prevention system
11/03/1987US4703825 Fairing with a ventilation system
09/1987
09/29/1987US4696262 Air-cooled internal combustion engine
09/08/1987US4691681 Arrangement for controlling the intake air for the carburetor of a hand-held portable tool
08/1987
08/26/1987EP0233362A1 Vehicle with encapsulated combustion engine
07/1987
07/07/1987US4678070 Fluid coupling device having improved heat dissipation
07/07/1987US4677940 Cooling system for a compact generator
07/02/1987WO1987003929A1 Heat engine with cooling of the pistons and jackets
06/1987
06/30/1987US4676202 Engine cooling system
06/17/1987CN85109051A Cooling device for driving motor by motor car
06/16/1987US4672922 Air-cooled overhead-valve engine
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