HYDRAULIC POWER STEERING DEVICE

HYDRAULIC POWER STEERING DEVICE

A hydraulic power steering device (1) having a damper valve (10) arranged in hydraulic oil circuits (8, 9) connecting an oil path selector valve (11) inside a gear box to the right and left oil chambers of a power cylinder (6), wherein the damper valve (10) comprises a spool valve, a control oil cha...

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1. Verfasser: WANG, CHAOJIU
Format: Patent
Sprache:eng ; fre ; ger
Schlagworte:
LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
MOTOR VEHICLES
PERFORMING OPERATIONS
TRAILERS
TRANSPORTING
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creator WANG, CHAOJIU
description A hydraulic power steering device (1) having a damper valve (10) arranged in hydraulic oil circuits (8, 9) connecting an oil path selector valve (11) inside a gear box to the right and left oil chambers of a power cylinder (6), wherein the damper valve (10) comprises a spool valve, a control oil chamber (21) of the spool valve (10) is connected to a hydraulic oil feed path (18) connecting a hydraulic pump (13) which is driven by an internal combustion engine so as to deliver hydraulic oil to the oil path selector valve (11), its back pressure chamber (17) is connected to a hydraulic oil circulating path (19) connecting the oil path selector valve (11) to a reservoir tank (12), and orifices (27, 28) are provided in the connecting oil paths (22, 20), respectively, whereby, when the pressure of oil delivered from the hydraulic pump (13) rises, the opening of the spool valve (10) is increased.
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language eng ; fre ; ger
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subjects LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
MOTOR VEHICLES
PERFORMING OPERATIONS
TRAILERS
TRANSPORTING
title HYDRAULIC POWER STEERING DEVICE
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