Did You Know...
...Daniel Webster invented a "bull plow" to pull out tree stumps. It didn't catch on because it was huge and required four oxen to pull it!
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| Number | Title | Issue Date |
| 7418887 | Integral accumulator/pump housing An accumulator/pump housing associated with a motor vehicle hydraulic system that is designed to incorporate a gerotor pump and an accumulator. The accumulator/pump housing comprises a portion of a torque coupling assembly in which a friction clutch selectively enga... | 09/02/2008 |
| 7302875 | Rotation transmitting device and hydraulic drive unit A hydraulic drive device, comprising a hydraulic motor (10), a rotating body (20) connected to the drive shaft (11) of the hydraulic motor (10), functioning, by itself as a flywheel, and having an internal gear (21) formed on the o... | 12/04/2007 |
| 7258879 | Food product and process for manufacturing same This invention is concerned with packaged food products which contain specific combinations of functional additives aimed at addressing specific health indicators, in particular flatulence, gastro-intestinal health, stress and immune system responsiveness, in pet an... | 08/21/2007 |
| 6966805 | Marine transmission with synchronized engagement of a dog clutch A marine transmission for connecting a driven shaft to a driving shaft is provided with first and second dog clutch members and first and second friction clutch members which are actuated, respectively, by first and second hydraulically actuated devices. Engagement ... | 11/22/2005 |
| 6827662 | Combined differential gear device A planetary gear mechanism 3 is provided at one end portion of a housing 2 in a direction of the rotation axis L. The mechanism 3 includes a planetary gear 31 disposed at the housing such that the planetary gear is rotatable about its own... | 12/07/2004 |
| 6817268 | Power distribution transmission In order to damp the vibrations in a hydraulic branch of a power distribution transmission, the hydraulic pump (1) and the hydraulic motor (3) which are interconnected are non-rotatably but elastically maintained in the transmission housing in the area... | 11/16/2004 |
| 6080078 | Planetary gear with compensating coupling A planetary gear is described, with a compensating coupling (9), a housing (1) enclosing the gear (2) and the compensating coupling and a planet wheel carrier (3), which has a shaft journal (4) rotatably mounted in the housing. The compensating coupling i... | 06/27/2000 |
| 5803597 | Machine for the extrusion of polymers and the like with converging threaded rotors each actuated by means of its own actuating motor Machine for the extrusion of polymers and the like, comprising a pair of threaded rotors (5) with axes which are generally converging with respect to each other and means (7) for synchronized transmission of the movement to the said rotors (5), wherein ea... | 09/08/1998 |
| 5295414 | Vibration and noise proofing system for a hydrostatic stepless transmission attached to a transmission case A vibration and sound proofing system for a working vehicle such as a tractor or a lawn mower having a hydrostatic stepless transmission (HST) included in a propelling transmission system for transmitting engine output to wheels. The HST is mounted in a c... | 03/22/1994 |
| 4856264 | Hydraulic transmission apparatus A hydraulic transmission apparatus comprises an input unit to which power from a power source is applied in a first direction, a direction changing unit hydraulically coupled to the input unit for extracting power in a second direction which is different ... | 08/15/1989 |
| 4850246 | Interaxle differential for motor vehicles An interaxle differential for connection between two driven axles (14) of a motor vehicle comprises a liquid friction coupling (1) and a planetary gear train (15) comprising three torque-transmitting members (16, 18, 20). The liquid friction coupling (1) ... | 07/25/1989 |
| 4671062 | Torque converter having valve means for detecting speed ratio of torque converter A speed ratio detecting valve means of torque converter comprising a hub of a stator vane spline fitted onto a fixed shaft and being freely rotatable through a prescribed play angle, the hub being permitted to rotate relative to the fixed shaft by said pl... | 06/09/1987 |
| 4555978 | Multiple displacement motor driven power drive unit A multiple displacement motor driven power drive unit having two separate hydraulic systems each with a variable displacement hydraulic motor having its output connected to a torque summing gear train. A control provides for operation of one or the other ... | 12/03/1985 |
| 4546844 | Front wheel assist drive for a vehicle machine A front wheel assist drive for a vehicle having a rear wheel main drive includes a hydraulic fluid pump. The pump is connected to a hydraulic motor. The motor is connected to an output shaft. An overrunning clutch is interposed between the motor and outpu... | 10/15/1985 |
| 4341133 | Control system for a hydraulically driven vehicle A control system for a hydraulically driven vehicle having a pair of variable displacement hydraulic pumps driven by an engine and a pair of hydraulic motors each being connected with the respective variable displacement hydraulic pumps in a closed loop a... | 07/27/1982 |
| 4319500 | Hydro-mechanical change speed mechanism A hydro-mechanical change speed mechanism of the type useful in road sweeping vehicles and the like in which the vehicle is required to travel from place to place at normal road speed but also requires the ability to travel at a relatively reduced speed w... | 03/16/1982 |
| 4311068 | Modulated transmission with converter and modulator-load-piston which fully resets and dumps converter A multi functioning hydraulic transmission control circuit including interacting valve mechanism parts which, in response to a shift being called for in a clutch-cylinder-controlled multi-speed transmission, inaugurate a fill pressure flow to the clutch c... | 01/19/1982 |
| 4271724 | Synchronized transmission with torque converter by-pass Disclosed is a power shift transmission having torque converter, an input shaft driven by the torque converter, a countershaft in continuous driving relation with the input shaft, an output shaft having first, second, and third speed ratios journaled ther... | 06/09/1981 |
