Hydraulic power system
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Apr 19, 1988
Grant Date -
N/A
app pub date -
Mar 20, 1986
filing date -
Mar 23, 1985
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A hydraulic power system is disclosed which comprises an internal combustion engine having a speed regulator, and which serves to drive a hydraulic system including a pump and a consumer or load. A throttle valve is positioned in the hydraulic system, and the throttle valve is connected to an adjustable controller, such that the volume flow rate to the consumer is proportional to the control signal delivered to the throttle valve by the controller. The same control signal of the controller is also delivered to the speed regulator of the engine. In one disclosed embodiment, the hydraulic system includes a plurality of consumers connected to a common pump, and each consumer includes an associated throttle valve and controller. Also, means are provided for weighting the several control signals from the controllers, and summing the weighted signals so that a composite adjusting signal is delivered to the speed regulator of the engine.
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