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Paddle Wheel Plane

An aircraft having vertical takeoff and landing capability provided with at least first and second laterally extending paddle wheels rotatable on a central axis perpendicular to the longitudinal axis of the aircraft fuselage and between its nose and tail.

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Class 74/467 - Lubrication


Subclass of Class 74 - Machine element or mechanism
Definition: Gears specifically modified for purposes of lubrication.
No. of patents: 355
Last issue date: 06/21/2011


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NumberTitleIssue Date
7963186Ancillary oil pumping for gear box assembly
A gear box assembly as used in an inverted portal axle or transfer case includes a drive gear and at least one driven gear in meshing engagement with the drive gear at a contact point. A gear housing closely surrounds portions of an outer circumference of the drive ...
06/21/2011
7694601Gear device and electric power steering apparatus
A housing of a gear device houses a plurality of gears and a lubricant. On at least one side surface of at least one gear selected from the plurality of gears, an extended projection is provided. On a side surface of the housing facing the side surface of the select...
04/13/2010
7624660Automatic transmission
An automatic transmission according to the invention includes: a hydraulic pressure supply unit which is disposed, together with a gear train, inside a case and switches a shift state (gear ratio) of the gear train based on a supply of hydraulic pressure from hydrau...
12/01/2009
7536930Reduction gear unit
A reduction gear unit capable of reducing vibrations caused by gear rattle, while permitting some degree of backlash in a pair of gears, is provided. A reduction gear unit is so configured that a pinion shaft and a main gear shaft are disposed in parallel to each ot...
05/26/2009
7513172Transmission apparatus
A transmission apparatus includes a casing provided with shafts therein, a rotational member positioned in the casing at an end portion in an axial direction of the shafts, the rotational member being configured to lift up a lubricating oil so as to supply the lubri...
04/07/2009
7428949Support winch with grease supply
The invention describes an arrangement of lubricating grease inside the housing of a gear unit with rotatable components, particularly the gear unit of a jack. It also describes a grease pouch for receiving lubricating grease and a method for lubricating the gear un...
09/30/2008
7421921Parallel axes type automatic transmission
A parallel axes type automatic transmission including a first input shaft having m or more (m is an integer not less than 2) wet multiplate clutches and drive gears rotatably mounted, a second input shaft having n or more (n is an integer greater than m and not less...
09/09/2008
7416504Lubrication plug
In an off-highway vehicle having an electric propulsion system which includes a motorized wheel, a traction motor and a transmission for transmitting power from the traction motor to the motorized wheel, wherein the transmission comprises a reduction stage, a low sp...
08/26/2008
7374507Lubrication system for differential mechanism
A differential assembly includes a housing defining a space containing a volume of hydraulic fluid, the housing including interior surfaces. A gear that rotates in the housing includes surfaces that pass through the fluid as the gear rotates and on which the fluid i...
05/20/2008
7357237Clutch transmission and method for lubricating and cooling the same
The invention relates to a clutch transmission and a method of operating the same. The clutch transmission has a transmission element that is accommodated in a transmission chamber, a clutch element accommodated in a clutch chamber, and a hydraulic controller compri...
04/15/2008
7353733Transmission apparatus for automobile or the like
A transmission apparatus for an automobile or the like includes: a transmission gear mechanism including, therein, a speed-reducing small gear at an axial one side of an intermediate shaft; a final driving mechanism including, therein, a speed-reducing large gear at...
04/08/2008
7331423Transmission of working vehicle
An oil supply system for a transmission includes a transmission casing; a transmission shaft disposed in the transmission casing; a plurality of gears relatively rotatably fitted on the transmission shaft; an oil passage axially formed in the transmission shaft; a t...
02/19/2008
7325662Dry friction launch clutch for an automatic transmission and method
A powertrain for a vehicle includes a dry friction clutch connected between an engine output member and a transmission input member. The dry friction clutch is selectively engagable to transfer torque from the engine output member to the transmission input member to...
02/05/2008
7326142Partition structure of power train device
A partition structure of a power train device is provided with: a second differential coupled with an external first differential so as to receive a driving force input to the first differential; a case having a first end facing to the first differential, a second e...
02/05/2008
7322900Oil feeding device
An oil feeding device which has an oil reserving portion 50 and first oil requiring portions 8, 62, 63, 67, 68, 72 and 76 provided in a moving object, and a first oil discharging portion 58 for feeding an oil reserved in the oil reserving...
01/29/2008
7311628Planetary gear set for an automatic transmission of a vehicle
A planetary gear set for an automatic transmission of a vehicle includes a central shaft having a main lubrication path and a penetration hole connected with the main lubrication path, a sun gear, a pinion gear, a ring gear, a planet carrier, a first bearing dispose...
12/25/2007
7311187Dual clutch transmission clutch cooling circuit
A hydraulic circuit for controlling the application of pressurized cooling fluid to the clutches of a dual clutch transmission including a cooling unit in fluid communication with a source of the pressurized cooling fluid and adapted to exchange heat from the coolin...
12/25/2007
7276006Transmission case for lube return and method
The invention provides a transmission case that includes a rear housing that partially encloses transmission components about a center axis. The rear housing sealingly connects to a main housing at one end and to a drive unit extension at another end. The rear housi...
10/02/2007
7273132Method and apparatus for lubricating bearings on a vertical shaft in a gearbox
A right angle gear box includes a plurality of channels for carrying lubricating fluids to one or more upper bearing. Fluids in the gear box are naturally pumped through the channels by the rotation of gears in the gear box. The area between the shaft and the extern...
09/25/2007
7237652Apparatus and method for lubricating feed mechanism of forming machine
A lubrication apparatus that lubricates mechanism of a molding machine. The lubrication apparatus includes a tank for collecting lubrication oil therein, and a lubrication oil supply route for supplying lubrication oil from the tank. ...
07/03/2007
7214157Gear unit lubrication
A gear unit includes a planet gear rotatable about a sun gear and supported by a planet carrier, the planet carrier including an annular formation for flow of lubricant and which is substantially concentric with the major axis about which the planet carrier is rotat...
05/08/2007
7210522Arrangement for cooling a vehicle component
The invention constitutes an arrangement for cooling a vehicle component, for example a transmission, disposed adjacent to an engine, which arrangement includes a cooling circuit designed to feed a coolant through the transmission and including a line for coolant to...
05/01/2007
7207760Washer and fastener provided with a washer
A washer has a body having an axis and provided with a first face surface located at one axial side and adapted to cooperate with a nut, a second face surface located at an opposite axial side and adapted to cooperate with an object to be assembled or disassembled, ...
04/24/2007
7195103Oil supplying device
An oil supplying device (34, 36, 38) for a vehicle transmission (2) having one transmission housing (4, 6) with gears (10, 12, 16, 18, 22) situated upon shafts (8, 14, 20) and having teeth, bearings in which gears (10, 12, 16, 1...
03/27/2007
7189178Drive axle with variable oil flow mechanism
An axle assembly including a differential gear set having a ring gear. The axle assembly includes a carrier assembly housing that contains the differential gear set and an arcuate fence disposed adjacent to the ring gear that connects to the carrier assembly housing...
03/13/2007
7189183Stop disk of a planetary gear
Stop disks (9, 12) that on both sides delimit planet wheels (6) and that are provided on at least two evenly spaced-apart peripheral positions with inner axial passages (9.2, 12.2) that are linked with their respective location bores (9.1, 12...
03/13/2007
7178424Pinion unit in axle assembly
An axle assembly includes an axle housing having a main body and defining an internal cavity. The axle housing includes a first and second opening defined in the main body and adapted to support a first and second differential bearing respectively. A differential as...
02/20/2007
7174998Submerged electric fluid pump
An electric fluid pump for a transmission, transfer case or an oil reservoir. The pump is contained within the transmission, transfer case or engine oil reservoir and has an open housing which allows fluid into the motor for cooling and lubrication. ...
02/13/2007
7174996Hydraulic fluid feeder
Supplying fluids different in pressure from one end of a revolving shaft without providing a diagonal hole in the revolving shaft for supply holes for feeding hydraulic fluid and lubricating oil. The time for manufacturing and the cost of providing a hydraulic fluid...
02/13/2007
7162936Connection of a gearbox cooling to the cooling circuit of an engine
A vehicle transmission (2) includes a transmission housing (4), a clutch bell housing (6), and lines (20, 22, 36, 38) for a liquid cooling medium and is connected at a junction point to a vehicle engine (26). In the area of the jun...
01/16/2007
7155996Lubrication system for a transmission gear mechanism
By blocking off a partial passage opening in a lubricating oil supply passage of a transmission gear mechanism by attaching a transmission holder, an operation to block off the passage opening is omitted. Supply of lubricating oil to a main shaft and a counter shaft...
01/02/2007
7140995Gear drive
In a gear drive for a motor vehicle comprising a first gear, a second gear in engagement with the first gear, an oil sump arranged below the second gear such that the second gear is partially immersed in the oil sump, and an oil collection structure disposed at a le...
11/28/2006
7132186Fuel cell with solid polymer membrane to be moisturized, fuel cell system, and moisturizing method for fuel cell
A fuel cell has an anode (3) and a cathode (5) on either side of an electrolytic membrane (1) made of a solid polymer. A fuel supply plate (7) and an air supply plate (9) are provided at either side of the electrolytic membrane (
11/07/2006
7128686Method and apparatus for synchronized PTO control in a motor vehicle powertrain
One or more friction devices of a transmission coupled to an engine through a fluid coupling are used during engine neutral idle operation to control the state of the fluid coupling for synchronous engagement and disengagement of a PTO input gear with a transmission...
10/31/2006
7104230Drive of variable valve lift mechanism
A drive of a variable valve lift mechanism for driving a control shaft controlling a variable valve lift mechanism provided between an engine valve and an engine valve operating cam in order to change lift amount of the engine valve, comprises: a rotational force ge...
09/12/2006
7036634Transmission lubricant cooling system
A vehicle transmission lubrication communication system including a pump, a torque converter, an oil cooler, a shifting control assembly, a sump, a main shaft, a counter shaft, and a secondary shaft. The pump withdraws lubricating oil from the sump and pumps the lub...
05/02/2006
7028571Lubrication system and method of lubricating an internal-combustion engine
An apparatus and method for lubricating an internal-combustion engine includes a shaft extending through a gearbox, a gear and a sliding sleeve coupled to rotate with the shaft and adapted to move axially along the shaft, a gearshift fork in mating engagement with t...
04/18/2006
7025701Oil propeller wheel and shaft for power transmission devices
A power transfer device includes a casing, a lubricant reservoir in the casing having lubricant therein, and a shaft rotatably supported in the casing. The shaft extends into the lubricant reservoir. A lubricant driving structure is coupled to the shaft for common r...
04/11/2006
7025175Vent mechanism
An vent mechanism comprising an upper housing, a lower housing, a diaphragm comprising a diaphram contact contained between the housings, an upper contact, an insulator insulating the upper contact from the upper housing, and an internal ground wire between the diap...
04/11/2006
7022039Lubrication system for planetary transmission
A planetary transmission includes a first gear set including a first sun gear and at least one first planetary gear in meshing arrangement with the first sun gear, a second gear set including a second sun gear and at least one second planetary gear in meshing arrang...
04/04/2006
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