Title:
エネルギー回収のための液圧回路
Document Type and Number:
Japanese Patent JP5055364
Kind Code:
B2
Abstract:
A hydraulic valve having firstly a feed port, a low-pressure link port, and a high-pressure link port, which ports are respectively connected to the feed and discharge ducts of a hydraulic motor, to a low-pressure fluid source, and to a high-pressure accumulator, and secondly an auxiliary port. The valve has a slide that can take up a neutral position for connecting together the feed, discharge, and auxiliary ports, an energy recovery position for connecting together respectively the feed and low-pressure ports, and the discharge and high pressure ports, and an energy delivery position for connecting together respectively the feed and high-pressure ports, and the discharge and low-pressure ports. The slide is caused to move from its neutral position to its other positions by control signals and the auxiliary port can be connected to a reservoir or to a clutch fluid source for clutching or declutching the motor.
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Inventors:
Elan Jean
Le Mer Jill
Via julian
Le Mer Jill
Via julian
Application Number:
JP2009517357A
Publication Date:
October 24, 2012
Filing Date:
July 02, 2007
Export Citation:
Assignee:
POCLAIN HYDRAULICS INDUSTRIE
International Classes:
F16H61/40; F15B21/14; F16H61/4008; F16H61/4043; F16H61/4139; F16H61/4157; F16H61/4096
Domestic Patent References:
| JP5287774A | ||||
| JP2000266181A | ||||
| JP5066381U |
Attorney, Agent or Firm:
Nagoya International Patent Service Corporation