Bizarre Patents
A method to tenderize meat with an explosive shockwave.
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.
| Number | Title | Issue Date |
| 7399250 | All-wheel drive train In an all-wheel drive train for a motor vehicle wherein the drive torque of the engine of the motor vehicle is transmitted from the transmission output shaft partially to the rear axle and partially to the front axle via an offset transmission structure and a latera... | 07/15/2008 |
| 7384357 | Speed reduction gear train with planetary differential for electric motor axle drive An electric drive unit for a vehicle includes an electric motor, two output shafts, a first speed reduction planetary gearset driven by the motor, a second speed reduction gearset driven by an output of the first gearset, and a compound planetary differential gearse... | 06/10/2008 |
| 7252173 | Differential gear for a vehicle A differential (2) for a vehicle is proposed for the apportionment of a drive torque conducted via a drive shaft on a crown gear (7). The drive torque is engendered by a motor (1) onto two output shafts (3, 4) and differential is to serve... | 08/07/2007 |
| 7197386 | Control system for a vehicle with at least part-time four-wheel drive In the case of a control system for a vehicle with at least part-time four-wheel drive, having a control unit which detects or determines quantities proportional to the wheel speeds of all wheels and the vehicle speed, and by means of which the driving torque of a d... | 03/27/2007 |
| 7147076 | Drive system for off-road vehicle An off-road vehicle has front and rear wheels. An engine unit powers the wheels. The engine unit has an output shaft. A front differential is coupled with the front wheels. The front differential has a front input shaft. A front drive connects the output shaft and t... | 12/12/2006 |
| 7127342 | Driving force distribution control device for vehicle In a specific control state, confirmation is made whether or not the present torque limiter value exceeds a maximal value of an allowed torque value in the specific control state, and in the event that the present torque limiter value exceeds the maximal value of th... | 10/24/2006 |
| 6920383 | Method for controlling a drive train on a motor vehicle On recognition of a slow driving condition within which a creeping function is activated, a set wheel torque is derived by a wheel torque interpretation (56), such that firstly a target speed is achieved and subsequently the vehicle is maintained within a spe... | 07/19/2005 |
| 6918851 | Concentric shift system for engaging an interaxle differential lock An interaxle differential is provided which includes a side gear, a clutch gear torsionally locked on a first input shaft and axially slidably mounted thereon and an annular piston mounted in a differential casing for urging the clutch gear into engagement with a si... | 07/19/2005 |
| 6910983 | Power transfer apparatus of four-wheel drive vehicle and device for controlling torque A power transfer apparatus 1 of a four-wheel drive vehicle includes, a clutch, an inversion detector, and controller. The clutch generates an engagement force that effects a driving force output from an engine to wheels of the vehicle via a transmission. The ... | 06/28/2005 |
| 6887177 | Transfer for a four-wheel drive vehicle A transfer arrangement for a four-wheel drive vehicle having an input shaft, a transmission, and a center differential. The transmission includes a first gear attached to the input shaft, a first counter gear attached to a countershaft in parallel with the input sha... | 05/03/2005 |
| 6619418 | Friction material for a dry friction device, a method of making such a dry friction material, and a dry friction device equipped with such a material A dry friction device, in particular a clutch friction wheel or a brake disc for a motor vehicle, includes at least one friction liner made of a dry friction material containing reinforcing fibers. Such a friction material comprises a mat of fibers impregnated... | 09/16/2003 |
| 6450915 | Driving force transmitting device for vehicle A driving force transmitting device for a vehicle includes a drive mode-shifting mechanism which is disposed in the final drive gear-set of a vehicle. The drive mode-shifting mechanism includes a first rotating member, a second rotating member, a third ro... | 09/17/2002 |
| 6427797 | Transmission structure of gearbox of electrically actuated car A transmission structure of a gearbox of an electrically actuated car includes two front wheels, two rear wheels, and two gearboxes, wherein one gearbox is mounted between the two front wheels, and the other gearbox is mounted between the rear wheels. The... | 08/06/2002 |
| 6206128 | Working vehicle In a working vehicle such as an agricultural tractor, a front wheel change speed device for transmitting drive to front wheels includes an equal speed clutch for driving the front wheels substantially at the same speed as rear wheels, and an accelerating ... | 03/27/2001 |
| 6094132 | System for monitoring driveline spinout conditions A system for monitoring spinout conditions in a heavy vehicle driveline provides the ability to monitor the manner in which a driver operates a vehicle. For example, spin out conditions that occur with greater frequency than is normally expected indicates... | 07/25/2000 |
| 6076623 | Four-wheel drive vehicle power train A first power train (T1) for driving a pair of front drive wheels (Wf1, Wf2) comprises a transmission (4) connected to an engine (2) and a front drive train (41f) connected to the drive wheels, the front drive train including a final reduction gear (43), ... | 06/20/2000 |
| 6070685 | Four wheel drive system for automotive vehicle In a four wheel drive system for an automotive vehicle, a detected value ƊVW of difference of rotating speed between the front and rear wheels is compared with a threshold ƊVW0 determined in accordance with a pseudo vehicle speed V... | 06/06/2000 |
| 5902205 | Full-time transfer case with integrated planetary gearset and biasing clutch A transfer case for a four-wheel drive vehicle having a planetary gear assembly which integrates a gear reduction unit and an interaxle differential into a common assembly. A synchronized range clutch is operably associated with the input to the planetary... | 05/11/1999 |
| 5813490 | Four Wheel drive system for automotive vehicle In a four wheel drive system for an automotive vehicle, a detected value ƊVW of difference of rotating speed between the front and rear wheels is compared with a threshold ƊVW0 determined in accordance with a pseudo vehicle speed V... | 09/29/1998 |
| 5609540 | Full-time double offset transfer case A power transfer system for a four-wheel drive vehicle having a full-time transfer case with its input angled relative to its outputs by means of a constant velocity (CV) universal joint. More specifically, the transfer case input includes a first rotary ... | 03/11/1997 |
| 5597369 | Transfer case with integrated viscous coupling A transfer case for a four-wheel drive vehicle adapted to provide two- to four-wheel drive on-demand in the high range or four-wheel drive in the low range. The transfer case includes an input shaft coupled to the sun gear of a planetary gear set, a main ... | 01/28/1997 |
| 5366041 | Vehicle control system A four-wheel drive vehicle control system has a differential mode control device which operates in at least a first mode, in which differential action of a differential is variably restricted between an unlocked state and a locked state according to drivi... | 11/22/1994 |
| 5271478 | Power transmitting system A power transmitting system for a vehicle includes a rotatable input shaft for introducing driving power into the system, a rotatable first output shaft for transmitting the driving power from the system, and a rotatable second output shaft for also trans... | 12/21/1993 |
| 5183132 | Power transfer device having center differential gear for four-wheel drive vehicle A power transfer device having a center differential gear unit for use in a four-wheel drive vehicle of part time four-wheel drive type of the present invention comprises: an intermediate shaft which is rotatably provided around a rotary shaft, which rota... | 02/02/1993 |
| 5105900 | Transfer case cold shift assist The present invention provides a motor vehicle cold shift assist system for selectively and automatically connecting the non-driven wheels to its associated axle drive mechanism under certain operational and temperature conditions for counteracting the in... | 04/21/1992 |
| 5105902 | Transfer case shift-on-fly system The present invention provides a motor vehicle cold shift assist system for selectively actuating an axle connecting mechanism to automatically connect the non-driven wheels to its associated axle drive mechanism immediately following synchronization for ... | 04/21/1992 |
| 5086867 | Power transmission apparatus To simplify propeller shaft supporting structure and to reduce propeller shaft vibration when a viscous coupling and a clutch mechanism are both provided on a propeller shaft of a 4WD vehicle, the power transmission apparatus comprises a housing rotatably... | 02/11/1992 |
| 5083478 | Four-wheel vehicle drive system A four-wheel vehicle drive system, comprising an engine having an output shaft in a lateral direction of the vehicle, a power transmission gear unit including transmission input and output shafts having axes of rotation parallel with the engine output sha... | 01/28/1992 |
| 5078660 | Transfer case limited slip planetary differential A transfer case for a four wheel drive vehicle providing a central shaft defining a first output concentrically surrounded by a forward high/low drive range gear set and an aft dual planetary inter-axle differential gear set. A range clutch collar is disp... | 01/07/1992 |
| 5046576 | Control system for a transfer device of a four-wheel drive vehicle with a continuously variable belt-drive transmission A control system for a four-wheel drive vehicle with a continuously variable transmission having a drive pulley having a hydraulically shiftable disc and a hydraulic cylinder for operating the disc, a driven pulley having a hydraulically shiftable disc an... | 09/10/1991 |
| 5005663 | Four-wheel drive vehicle A vehicle equipped with four-wheel drive has a transfer case including a center-differential which delivers driving power to both front and rear axle assemblies when needed and is shiftable between a two-wheel and a four-wheel drive mode of operation and ... | 04/09/1991 |
| 4915191 | Transfer device for a four-wheel drive vehicle A transfer device for a four-wheel drive vehicle has a transfer shaft rotatably mounted by first and second bearings and a transfer gear rotatably mounted on the transfer shaft between the bearings. A coupling device is provided outside the first bearing ... | 04/10/1990 |
| 4909345 | Power transmission device for four wheel drive vehicles A power transmission device for four wheel drive vehicle includes a differential motion limiting device, for limiting differential motion of a center differential device, which is made up by a wet-type frictional clutch and a hydraulic actuator. Under run... | 03/20/1990 |
| 4907473 | Differential mechanism of a four-wheel driving apparatus for vehicles A differential mechanism of a four-wheel driving apparatus for vehicles has a planetary gear and transmits the driving torque from an input shaft to a front wheel driving shaft and a rear wheel driving shaft in a distributing manner. The differential mech... | 03/13/1990 |
| 4898259 | Four-wheel drive apparatus for automotive vehicles A full-time four-wheel drive apparatus for an automotive vehicle includes a planetary gear unit for shifting purposes, a shift changeover unit, a differential unit and a transfer unit for transferring rotating power from the rear-wheel side to the front-w... | 02/06/1990 |
| 4878399 | Planetary sub-transmission A planetary sub-transmission for a vehicle has a planetary gear unit with a carrier member fixedly mounted on an output shaft, a sun gear mounted on the output shaft for rotation, and a ring gear fixedly supported by the sub-transmission case. A remotely ... | 11/07/1989 |
| 4876919 | Power transfer device for four-wheel drive In combination with a power transfer device, a power transmission includes a first shaft rotatably mounted within a housing and having an input end for connection to an output shaft of the transmission and an output end for drive connection to a pair of r... | 10/31/1989 |
| 4862988 | Four wheel drive working vehicle A four wheel drive working vehicle comprises a first shaft for driving rear wheels, and a second shaft for driving front wheels. The first and second shafts are coaxially and relatively rotatably supported by a transmission case. The first shaft carries a... | 09/05/1989 |
| 4805485 | Power transfer device for four-wheel drive vehicles A power transfer device includes a planetary gear unit which includes a sun gear, a carrier, a ring gear, and a plurality of planet gears journaled on the carrier and in mesh with the sun and ring gears. The planetary gear unit is shiftable between first,... | 02/21/1989 |
| 4804061 | Power transmission for four wheel drive vehicle A power transmission for a four wheel drive vehicle having a transfer gear assembly consisting of a planetary gear unit, a center-differential gear assembly consisting of a planetary gear unit which is located coaxially relative to and adjacent to the tra... | 02/14/1989 |
