JPS6447677A - Hydraulic power steering gear - Google Patents

Hydraulic power steering gear

Info

Publication number
JPS6447677A
JPS6447677A JP62201029A JP20102987A JPS6447677A JP S6447677 A JPS6447677 A JP S6447677A JP 62201029 A JP62201029 A JP 62201029A JP 20102987 A JP20102987 A JP 20102987A JP S6447677 A JPS6447677 A JP S6447677A
Authority
JP
Japan
Prior art keywords
valves
pilot
pressure controlling
acting
flow pressure
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP62201029A
Other languages
Japanese (ja)
Inventor
Toshihiro Naruse
Yoshie Koibuchi
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Komatsu Ltd
Original Assignee
Komatsu Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Komatsu Ltd filed Critical Komatsu Ltd
Priority to JP62201029A priority Critical patent/JPS6447677A/en
Publication of JPS6447677A publication Critical patent/JPS6447677A/en
Pending legal-status Critical Current

Links

Landscapes

  • Power Steering Mechanism (AREA)

Abstract

PURPOSE:To lessen the dead band of a steering wheel while improving the responsive property by operating a flow pressure controlling valve to amplify pilot flow. CONSTITUTION:Flow pressure controlling valves 7a, 7b at the meter-out side are constructed to be poppet valve type two-way valves which have springs 8, 8' for urging the valves in the closing direction, closing pilot ports 10, 10' acting in the closing direction and connected through variable throttle valves 9, 9' to the upstream side circuit, the up-stream side opening pilot ports 11, 11' acting in the opening direction and connected to the up-stream side circuit and the downstream side opening pilot ports 12, 12' acting in the opening direction and connected to the down-stream side circuit. On the other hand, flow pressure controlling valves 6a, 6b at the meter-out side are constructed to be poppet valve type two-way valves similarly to said valves 7a, 7b, A pilot pipe line 23 introduced from a pilot port LS of a metering pump 14 is connected to a pilot port 21a of a pressure controlling valve 21.
JP62201029A 1987-08-13 1987-08-13 Hydraulic power steering gear Pending JPS6447677A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP62201029A JPS6447677A (en) 1987-08-13 1987-08-13 Hydraulic power steering gear

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP62201029A JPS6447677A (en) 1987-08-13 1987-08-13 Hydraulic power steering gear

Publications (1)

Publication Number Publication Date
JPS6447677A true JPS6447677A (en) 1989-02-22

Family

ID=16434266

Family Applications (1)

Application Number Title Priority Date Filing Date
JP62201029A Pending JPS6447677A (en) 1987-08-13 1987-08-13 Hydraulic power steering gear

Country Status (1)

Country Link
JP (1) JPS6447677A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5376392A (en) * 1990-08-13 1994-12-27 Kohjin Co., Ltd. Food packaging bag
JP2017030438A (en) * 2015-07-30 2017-02-09 イートン株式会社 Steering device having flow rate amplification function of hydraulic oil

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5376392A (en) * 1990-08-13 1994-12-27 Kohjin Co., Ltd. Food packaging bag
JP2017030438A (en) * 2015-07-30 2017-02-09 イートン株式会社 Steering device having flow rate amplification function of hydraulic oil

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