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| Number | Title | Issue Date |
| 7395788 | Drill rig and a method for controlling a fan therein In a method for controlling at least one fan (13) for the regulation of the cooling demand of at least two cooling elements (12) included in a drill rig (1), the cooling demand of each one of the cooling elements (12) being determined, th... | 07/08/2008 |
| 7363886 | Power unit To achieve improved cooling in a power unit, a first fan is coupled with an end of a crankshaft of an internal combustion engine to cool at least a cylinder of the internal combustion engine, and a second fan is coupled with another end of the crankshaft to cool at ... | 04/29/2008 |
| 7337884 | Cycle brake cooling article Cycle brake cooling articles are secured at and offset from a circumferential braking element of a wheel of a cycle, each having a rigid surface which in combination with said braking element, defines an air deflection and concentration path that can be focused to t... | 03/04/2008 |
| 7290630 | Vehicle front end structure In a front end structure of a vehicle, a heat exchanger is arranged at a position lower than a bumper reinforcement member, so a position of an engine hood is lowered. Electric auxiliary devices such as a radar, electronic control units for lights, and an air cleane... | 11/06/2007 |
| 7168516 | Air cleaner device in vehicle An air cleaner device for a vehicle is provided with an air cleaner body containing an air cleaner element and a snorkel connected to the air cleaner body to introduce the outside air into the air cleaner body. The snorkel extends forward of the vehicle past a side ... | 01/30/2007 |
| 7013951 | Front part of a motor vehicle having a fender unit The invention relates to a front part of a motor vehicle having a fender unit which comprises a front fender which is covered on the outside by a fender covering, and which is connected in its lower region to a bottom supporting structure of the motor vehicle, an ai... | 03/21/2006 |
| 6988574 | One-way air duct for engine compartment cooling The present invention describes an opening for engine compartment cooling. The opening includes a one-way valve that permits airflow only at speed. The valve allows cooling air to circulate past the engine without impeding the efficiency of the radiator. The size, s... | 01/24/2006 |
| 6968906 | Electric tilling machine An electric tilling machine has a motor mounted on a machine body for rotationally driving a tilling shaft provided with tilling claws. A housing/cleaning box has an upper opening and is configured to receive therein the tilling shaft and tilling claws with the mach... | 11/29/2005 |
| 6848524 | Adjustable air vent for a vehicle In a snowmobile or other vehicle, ventilation of ambient air to the engine compartment is necessary. However, from time to time when encountering deep snow or extremely cold temperatures, it may be necessary to restrict the inflow of ambient air into the engine comp... | 02/01/2005 |
| 6666176 | Engine cooling system A flow control valve is located in a coolant circuit that extends through an engine. The flow control valve is operated in accordance with a control mode selected from a full closing control mode, a full opening control mode, and a feedback control mode. ... | 12/23/2003 |
| 6439328 | Adjustable air vent for a vehicle In a snowmobile or other vehicle, ventilation of ambient air to the engine compartment is necessary. However, from time to time when encountering deep snow or extremely cold temperatures, it may be necessary to restrict the inflow of ambient air into the ... | 08/27/2002 |
| 6216809 | Snowmobile induction system A snowmobile is provided including an internal combustion engine, an induction system communicating with the engine, and a body defining an engine compartment in which the engine is at least in part contained. The body of the snowmobile includes at least ... | 04/17/2001 |
| 6155335 | Vehicle fan shroud and component cooling module A vehicle fan shroud and component cooling module (24) includes a fan (44) mounted within a fan ring (32) between the radiator (26) and condenser (28). Pressurized air, either positively pressurized (downstream of fan (44)), negatively pressurized (upstre... | 12/05/2000 |
| 6026768 | Heat deflection system for a lawn tractor A heat deflection system is provided for a lawn tractor which has an engine mounted on a chassis and enclosed within an engine enclosure. The engine enclosure has a top, sides and a front grille. The engine also includes a carburetor, an exhaust header an... | 02/22/2000 |
| 5121715 | Compact power supply A number of embodiments of air cooled compact power supplies having air inlet and air outlet openings in the lower portion of the housing of the power supply. The interior of the power supply is baffled so that the air flowing through it must follow a ser... | 06/16/1992 |
| 5070686 | Vertical engine for walk behind lawn mower Several embodiments of air cooled rotary lawn mowers wherein the mower is provided with a cooling shroud for directing cooling air downwardly across the engine. The cooling shroud defines an air inlet that is spaced from the discharge chute so that grass ... | 12/10/1991 |
| 4946482 | Dust removing apparatus for air cleaner A dust removing apparatus for an intake air cleaner in which the air cleaner is disposed in the vicinity of a passage of a high speed air flow and an opening in a wall of the air passage confronting high speed air flow within the passage. As a result dust... | 08/07/1990 |
| 4932366 | Portable handheld motor-driven tool The invention is directed to handheld portable tools. An air temperature dependent cooling throttle flap controls the amount of cooling air passing over an air cooled engine. The arrangement of the throttle flap in an annular extension expels air in a man... | 06/12/1990 |
| 4753288 | Polymeric shutter assembly There is disclosed a vehicle engine shutter assembly, basically of polymeric material forming a peripheral frame, a plurality of vertical vanes which are rotatable on vertical axes between an open condition and a closed overlapping condition by a horizont... | 06/28/1988 |
| 4726326 | Drag reducing cooling system for a vehicle A cooling system for a vehicle engine includes a shroud directing air flow to a heat exchanger or radiator in a direction horizontally transverse to the forward direction of movement for the vehicle. The shroud leads to an opening on a side portion of the... | 02/23/1988 |
| 4716860 | Arrangement for inlet of cooling and combustion air The air inlet of the cooling fan is positioned substantially on top of a motor saw body so that the air is drawn from a region above the saw where the concentration of pollutants is considerably lower than at the usually known inlet through the fan cover.... | 01/05/1988 |
| 4632070 | Device for cooling engine power unit A device for cooling both a belt casing of an engine and the engine itself, in which both the inside and the outside of the belt casing are cooled by exterior air which is sucked in by respective fans. The air which cools the outside of the belt casing al... | 12/30/1986 |
| 4589379 | Cooling apparatus for water-cooled engines This disclosure relates to cooling apparatus for a water-cooled internal combustion engine. The apparatus comprises a centrifugal fan driven by the engine when running, said fan having an intake air port and a discharge air opening. A rotary screen is als... | 05/20/1986 |
| 4537160 | Air cleaner for an air-cooled engine This disclosure relates to an air cleaner for use in an air-cooled engine including a cooling fan within a fan housing. The cleaner is connected to draw air from the housing, and includes a casing having a side wall, an air inlet opening in the fan housin... | 08/27/1985 |
| 4452185 | Engine housing An engine housing assembly (1) has a cover (2) and a body (4). Longitudinal baffles (10, 12 and 17) on cover (2) cooperate with baffles (13, 14, 60 and 61) on body (4) to seal against engine (8), to provide a first chamber (16) adjacent the intake side of... | 06/05/1984 |
| 4410032 | Radiator grille structure Herein disclosed is a radiator grille structure for attachment to the front end of an automotive vehicle having a fore-and-aft direction, comprising a stationary grille to be secured to the vehicle body of the automotive vehicle and comprising a plurality... | 10/18/1983 |
| 4186694 | Temperature control system of an engine exhaust gas component sensor A jacket conduit which surrounds the exhaust gas at a portion equipped with an engine exhaust gas component sensor and is spaced from the exhaust gas conduit to define an air chamber on same and is formed with an air inlet opening which opens from the atm... | 02/05/1980 |
| 4186817 | Air inlet for armored car A radiator air inlet for an armored car providing unobstructed flow of cooling air to the radiator and armored plate protection for the radiator's relatively fragile structure. The air inlet system comprises a baffle disposed in front of the radiator and ... | 02/05/1980 |
| 4124066 | Radiator shutter for arctic vehicles A shutter mechanism for an engine radiator comprising a series of rigid pus tubes having elastomeric sleeves secured thereto. Introduction of pressurized fluid (e.g. compress air or engine coolant) into the porous tubes pressurizes the spaces between the... | 11/07/1978 |
| 3987766 | Engine enclosure and heat deflector arrangement A lawn and garden tractor includes an air cooled engine which is enclosed by structure including a hood and opposite side panels. The engine is of a type including a heat shroud for directing cooling air about cooling fins of the engine head, the shroud h... | 10/26/1976 |
| 3961605 | Engine cooling arrangement In a vehicle having an internal combustion engine enclosed in an engine housing, two vertically spaced openings in the housing permit the passage of cooling air around the engine. The lower opening has a movable cover which is normally closed when the veh... | 06/08/1976 |
| 3937192 | Ejector fan shroud arrangement An engine cooling arrangement embodying a single fan and various embodiments of dual concentric shrouds associated therewith for producing an ejector action for substantially diminishing recirculation of the air flow.... | 02/10/1976 |
| 3933136 | Cooling apparatus for passenger motor vehicle Cooling apparatus for cooling an engine on a motor vehicle including at least one heat exchanging cooler extending transversely of the motor vehicle and arranged below a storage compartment at one end of the vehicle. To enhance the flow of cooling air thr... | 01/20/1976 |