Method and apparatus for correcting the zero pressure value of a

Details Method and apparatus for correcting the zero pressure value of a Method and apparatus for correcting the zero pressure value of a

1993-01-05

1995-10-10

Teska, Kevin J.

Boots, shoes, and leggings

364558, 36457101, 180 791, 180132, 73 4R, B62D 500, F15B 1027

Patent

active

054576318

ABSTRACT:
A method and apparatus for correcting the zero pressure value of a hydraulic power steering pressure sensor. A power steering pressure PK is detected through pressure sensors 9 and 10 of a power steering cylinder 1 after an engine 14 stops running. The number of detections D [PK] of the power steering pressure PK is added up, provided that the power steering pressure PK remains unchanged for a predetermined time period, and then after a predetermined time period passes after the engine has stopped running, the power steering pressure PK, at which the number of detections D [PK] reaches a maximum value, is adopted as the zero pressure value of the pressure sensors. This makes it possible to accurately correct the zero pressure value of the pressure sensors in the hydraulic power steering unit.

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patent: 5229317 (1993-05-01), Schnelle

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