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 |
| 7316115 | Means and method for controlling a hydromechanical transmission in dual mode A system for operating a hydromechanical transmission having a movable input member that transmits a signal to a control unit that uses predefined logic to determine if a hydrostatic transmission should be in a first low speed mode that uses displacement control or ... | 01/08/2008 |
| 7299740 | Reciprocating axial displacement device A reciprocating axial displacement mechanism is disclosed generally comprising a housing, a rotating device, a displacement device having first and second undulating surfaces disposed in the housing, and a cam connected to the rotating device and disposed between th... | 11/27/2007 |
| 7153105 | Compressor with swash plate housing inlet port A compressor is disclosed generally comprising a cylinder block at least partially enclosing a compression chamber, a swash plate housing mounted adjacent the cylinder block, the swash plate housing at least partially enclosing a swash plate chamber, an inlet port i... | 12/26/2006 |
| 7055507 | Continuously variable drive for superchargers A drive assembly for a supercharger for an internal combustion engine provides a continuously variable drive ratio between the engine and supercharger to provide a substantially, constant drive speed to the supercharger, thereby optimizing performance. The continuou... | 06/06/2006 |
| 6324843 | Hydraulic-mechanical type continuously variable transmission for vehicle To moderate the efficiency of engine braking when it is applied while a continuously variable transmission produces a large transmission ratio. Such a continuously variable transmission is constituted by a hydraulic pump having an input rotary member conn... | 12/04/2001 |
| 6062022 | Continuously variable hydrostatic transmission including 1:1 ratio lock-up clutch In a continuously variable hydrostatic transmission including a hydraulic pump unit driven by an input shaft, a grounded hydraulic motor unit, and an intermediate, wedge-shaped swashplate for developing torque on an output shaft in response to pumped exch... | 05/16/2000 |
| 6003314 | Hydrostatic drive with synchronized direct through-drive Hydrostatic drive having synchronized direct through-drive. The invention relates to a hydrostatic drive, in particular a vehicle drive. The hydrostatic drive includes a drive motor (1), a hydrostatic transmission (2), having a hydraulic pump (3) coupled ... | 12/21/1999 |
| 5946983 | Hydrostatic mechanical power transmission system particularly hydromechanical transmission for industrial and farming machines and vehicles in general A power transmission system, particularly a hydrostatic-mechanical power transmission system for industrial and farming vehicles and the like, comprising a first train of constantly meshed gears which are adapted to selectively connect, through a first pa... | 09/07/1999 |
| 5540051 | Control mechanism for hydrostatic-mechanical power transmission system A control mechanism for a hydrostatic-mechanical power transmission system having a mechanical transmission unit driven through an input shaft connectable to a power source, and a hydrostatic transmission unit that is connectable to the input shaft and in... | 07/30/1996 |
| 5394698 | Hydraulic transmission apparatus A hydraulic transmission apparatus has: a swash plate hydraulic pump having a pump cylinder block; and a swash plate hydraulic motor which has a motor cylinder block and is arranged coaxially in a line with the swash plate pump so as to face in the same d... | 03/07/1995 |
| 4531431 | Method and device for controlling a motor vehicle power unit Method and device for controlling a motor vehicle power unit consisting of an internal combustion engine and a variable-ratio power divider transmission. For adjusting the output, use is made of the data from the only sensor sensing the speed at the trans... | 07/30/1985 |
