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"That the automobile has practically reached the limit of its development is suggested by the fact that during the past year no improvements of a radical nature have been introduced."
Scientific American ; Jan. 2 edition, 1909
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| Number | Title | Issue Date |
| 8142319 | Transmission system A sun gear of a first planetary gear train is connected to an input shaft. A carrier 9 of the first planetary gear train is connected to a sun gear of a second planetary gear train and to a first pump/motor. A ring gear of the first planetary gear train is co... | 03/27/2012 |
| 7303498 | Transmission apparatus for a working vehicle A working vehicle comprises: a power source having an output shaft; axles; a cargo deck; and a transmission apparatus for driving axles disposed below the cargo deck. The transmission apparatus includes an input shaft drivingly connected to the output shaft of the p... | 12/04/2007 |
| 7241242 | Two-mode compound-split hydraulic continuously variable transmission A two-mode compound-split hydro-mechanical powertrain employs a hydro-mechanical continuously variable transmission having two hydraulic units, at least two torque-transmitting mechanisms, and a planetary gear arrangement for combining the output of an engine and th... | 07/10/2007 |
| 7222666 | Vehicle air-conditioning apparatus that can surely defog window A vehicle air-conditioning apparatus includes a dehumidification means, which has a compressor and dehumidifies inside of the vehicle, a humidity calculation means, which calculates humidity in the vicinity of an inside surface of the windshield, and a determination... | 05/29/2007 |
| 7201702 | Drive mechanism for a mobile vehicle A drive mechanism for a mobile vehicle having two motors, the torque of which is added up on a common output shaft (30), one motor being connectable with the output shaft (30) via a first reduction gear step (28) or a second reduction gear step ... | 04/10/2007 |
| 7093679 | Foundation drilling apparatus and method with continuously variable hydraulic differential rotary table A drilling machine drills foundation holes known as drilled shafts or bored piles with a drilling tool attached to an end of a kelly. The kelly is rotated with a rotary drive. The rotary drive has a first motor, a final drive gear coupled to the kelly so as to rotat... | 08/22/2006 |
| 7070531 | Hydromechanical transmission A hydromechanical transmission having a continuously variable transmission function and occupying a small area for installation is provided. For this purpose, the transmission includes a driving source (3), a planetary gear speed reducer (5) connected ... | 07/04/2006 |
| 6387005 | Hydraulic drive apparatus for working machine The invention provides a hydraulic drive apparatus which obtain a desired speed reduction ratio and a reduced shock during clutch engagement. Accordingly, the hydraulic drive apparatus for a working machine has a variable capacity type first (8) and secon... | 05/14/2002 |
| 6276134 | Apparatus for controlling a plurality of hydraulic motors and a clutch An apparatus, for controlling a plurality of hydraulic motors and a clutch for driving a drive shaft, can prevent a speed change shock and a load slip of a hydraulic motor as well as making a structure simple. The apparatus includes: a first volume variab... | 08/21/2001 |
| 6039666 | Hydraulic and mechanical transmission apparatus A power of an input shaft driven by an engine is divided by a power dividing device and transmitted to first and second output shafts and a hydraulic pump of a hydrostatic continuously variable transmission is driven by the first output shaft, whereas a h... | 03/21/2000 |
| 5709628 | Hydrostatic transmission for construction machine A hydrostatic transmission has at least one pump, first and second motors connected to and driven by the pump and having respective first and second motor shafts, and a planetary-gear drive. This drive has a sun gear connected permanently to the first mot... | 01/20/1998 |
| 5033994 | Apparatus for providing an automatic transmission An apparatus for providing an automatic transmission, including at least one planetary gear, at least one braking pump, at least one flow control valve and an oil path system provided therebetween for obtaining a continuously variable transmission (CVT). ... | 07/23/1991 |
| 4823640 | Balanced-reaction variable-ratio transmission Variable-ratio transmission configurations are derived from a basic balanced-reaction configuration which is known to operate with inherently lower power flow in the reactive path for a given ratio range than the more common split-input or split-output co... | 04/25/1989 |
| 4817459 | Engine starting and power generating system Operational efficiency in a combined engine starting and power generating system including an engine 110 connected to a dynamoelectric machine 142 useable as a motor or as a generator via a differential 114 and utilizing variable and fixed displacement hy... | 04/04/1989 |
| 4815334 | Drive arrangement for a vehicle The invention provides an improved form of drive arrangement for use in a motor vehicle comprising a first prime mover, a hydromechanical power branching transmission, driven by the prime mover, and having at least two hydromechanical transducers, by the ... | 03/28/1989 |
| 4592454 | Hydropneumatic system for recovering braking energy for urban vehicles Hydropneumatic system for recovering braking energy for a vehicle comprising a power "shunt" transmission, characterized in that it comprises two hydraulic switches (19 and 20) or equivalent devices, the first of which permits two hydraulic machines or se... | 06/03/1986 |
| 4519274 | Automatic speed range change-over system for a hydro-mechanical transmission An automatic speed range change-over system for a hydro-mechanical transmission of a vehicle including a mechanical transmission having a plurality of speed range change-over clutches and pairs of hydraulic pumps and motors, each motor being operatively c... | 05/28/1985 |
| 4485691 | Simplified hydromechanical steering transmission A simplified range change mechanism for an infinitely variable, split output, synchronously shifting hydromechanical steering transmission having integral steering and at least three forward ranges having progressively lower torque and higher speed propul... | 12/04/1984 |
| 4446756 | Power divider gearbox with a planetary differential gear drive A power divider gearbox including a planetary differential gear drive, comprising dual planetary gears which mesh with two sun gears having different diameters and with an internal ring gear, wherein the planetary differential gear drive divides the incom... | 05/08/1984 |
| 4354400 | Hydromechanical transmission A heavy duty hydromechanical transmission adapted for agricultural and industrial type tractors and for heavy duty construction type vehicles as well as line haul tractors is disclosed. The transmission utilizes an input shaft which is driven by a power s... | 10/19/1982 |
| 4322988 | Fluid braked planetary transmission A fluid braked planetary transmission is disclosed as including a driven sun gear and a plurality of meshing planet pinions carried in a housing and adapted to act as positive displacement pumps, all but one of the pinions also being adapted to act as pos... | 04/06/1982 |
| 4278928 | Electric generator arrangement An electric generator arrangement comprises a generator and a continuously-variable ratio drive, whereby the generator can be driven at a constant speed over a range of speeds applied to an input shaft. The drive comprises an epicyclic differential gear h... | 07/14/1981 |
| 4121479 | Power transmission A power transmission usable with a vehicle and having three ranges or speeds of operation in both forward and reverse directions of travel of the vehicle, including a low-speed range, an intermediate-speed work range, and a high-speed range and having a p... | 10/24/1978 |
| 4024776 | Variable ratio planetary assembly A variable ratio planetary assembly is comprised of a pair of planetary gear systems, each driven by an input shaft, and an output assembly rotatably mounted relative to the input shaft. The first planetary system has a carrier fixed relative to a support... | 05/24/1977 |
