Title:
POWER STEERING APPARATUS
Document Type and Number:
Japanese Patent JP2009119901
Kind Code:
A
Abstract:
To solve a problem wherein the flow of a hydraulic fluid becomes turbulent in a check valve to cause noise when a flow rate per unit time is increased in the check valve by abrupt steering.
A Reynolds number in a first one-way valve is 2,300 or less when the flow rate per unit time of the hydraulic fluid flowing in the first one-way valve is maximum, and a Reynolds number in a second one-way valve is 2,300 or less when the flow rate per unit time of the hydraulic fluid flowing in the second one-way valve is maximum.
Inventors:
KURATA MASAKAZU
SAKAKI TOSHIMITSU
SASAKI MITSUO
YAMAURA TAMOTSU
NAKADA MITSUAKI
ONO KOHEI
KASAI EIJI
SAITO TAKATOSHI
SAKAKI TOSHIMITSU
SASAKI MITSUO
YAMAURA TAMOTSU
NAKADA MITSUAKI
ONO KOHEI
KASAI EIJI
SAITO TAKATOSHI
Application Number:
JP2007292863A
Publication Date:
June 04, 2009
Filing Date:
November 12, 2007
Export Citation:
Assignee:
HITACHI LTD
TOYOTA MOTOR CORP
TOYOTA MOTOR CORP
International Classes:
B62D5/07; F16K47/02
Domestic Patent References:
| JPH05310136A | 1993-11-22 | |||
| JPH11248031A | 1999-09-14 | |||
| JP2006088947A | 2006-04-06 | |||
| JP2007223346A | 2007-09-06 | |||
| JP2006290151A | 2006-10-26 | |||
| JP2007292005A | 2007-11-08 | |||
| JP2004322677A | 2004-11-18 | |||
| JPH11248019A | 1999-09-14 | |||
| JPH05215259A | 1993-08-24 | |||
| JPH0637064U | 1994-05-17 |
Attorney, Agent or Firm:
Masamichi Ayata