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Class Information
Number: 60/423
Name: Power plants > Pressure fluid source and motor > Having condition responsive control in a system of distinct or separately operable outputs or output drive units > Including means for controlling or for reversing input pump drive
Description: Apparatus including manually or automatically operable structure for controlling or providing for the reversing operation of a motor driving a power input pump.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7204085 |
Power source derating component protection system |
Apr. 17, 2007 |
| 6915631 |
Forward/backward switching control apparatus for hydraulic drive vehicle, and control method therefor |
Jul. 12, 2005 |
| 6397592 |
Hydraulic system for a motor vehicle having a hinged convertible top |
Jun. 4, 2002 |
| 6205780 |
Low-loss drive system for a plurality of hydraulic actuators |
Mar. 27, 2001 |
| 6076350 |
Hydrostatic drive system for a vehicle |
Jun. 20, 2000 |
| 5784885 |
Pressurized fluid supply system |
Jul. 28, 1998 |
| 5317871 |
Circuit capable of varying pump discharge volume in closed center-load sensing system |
Jun. 7, 1994 |
| 5050379 |
Displacement of a variable displacemet hydraulic pump and speed of an engine driving the pump controlled based on demand |
Sep. 24, 1991 |
| 4967557 |
Control system for load-sensing hydraulic drive circuit |
Nov. 6, 1990 |
| 4862691 |
Pump drive speed regulator with control-pressure-generating valve having spring biased by cam face on load directional control valve |
Sep. 5, 1989 |
| 4856278 |
Control arrangement for at least two hydraulic consumers fed by at least one pump |
Aug. 15, 1989 |
| 4823551 |
Hydraulic control circuit for an injection molding with two loads driven by a pump |
Apr. 25, 1989 |
| 4776164 |
Hydraulic-electric control circuit for earth-moving machine main engine |
Oct. 11, 1988 |
| 4733533 |
Controls for power drive assemblies |
Mar. 29, 1988 |
| 4716727 |
Hydraulic device |
Jan. 5, 1988 |
| 4706456 |
Method and apparatus for controlling hydraulic systems |
Nov. 17, 1987 |
| 4688391 |
Refrigeration unit and hydraulic power system |
Aug. 25, 1987 |
| 4573319 |
Vehicle hydraulic system with single pump |
Mar. 4, 1986 |
| 4523431 |
Load responsive system |
Jun. 18, 1985 |
| 4489623 |
Axle shaft and pump drive mechanism |
Dec. 25, 1984 |
| 4485623 |
Vehicle hydraulic system with pump speed control |
Dec. 4, 1984 |
| 4449365 |
Lift, tilt and steering control for a lift truck |
May. 22, 1984 |
| 4334408 |
Pneumatic and hydraulic power control of drill |
Jun. 15, 1982 |
| 4100739 |
Pressure sensitive charging means for a steering system |
Jul. 18, 1978 |
| 4024711 |
Throttle control mechanism for an engine |
May. 24, 1977 |
| 4017215 |
Infinitely variable orifice for part throttle control |
Apr. 12, 1977 |
| 4017216 |
Variable underspeed system linkage |
Apr. 12, 1977 |
| 4008571 |
Hydraulic system for electric lift trucks |
Feb. 22, 1977 |
| 3999386 |
Overspeed protection control for an engine |
Dec. 28, 1976 |
| 3991846 |
Power steering system |
Nov. 16, 1976 |
| 3973472 |
Throttle control mechanism for an engine |
Aug. 10, 1976 |
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