JPS57186582A - Rotary valve - Google Patents

Rotary valve

Info

Publication number
JPS57186582A
JPS57186582A JP7106481A JP7106481A JPS57186582A JP S57186582 A JPS57186582 A JP S57186582A JP 7106481 A JP7106481 A JP 7106481A JP 7106481 A JP7106481 A JP 7106481A JP S57186582 A JPS57186582 A JP S57186582A
Authority
JP
Japan
Prior art keywords
sealing rings
valve member
sleeve
sleeve valve
rotary valve
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
JP7106481A
Other languages
Japanese (ja)
Inventor
Keikichi Miyauchi
Toshio Hirokawa
Yukio Ichikawa
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.)
Toyoda Koki KK
Original Assignee
Toyoda Koki KK
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 Toyoda Koki KK filed Critical Toyoda Koki KK
Priority to JP7106481A priority Critical patent/JPS57186582A/en
Publication of JPS57186582A publication Critical patent/JPS57186582A/en
Pending legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D5/00—Power-assisted or power-driven steering
    • B62D5/06—Power-assisted or power-driven steering fluid, i.e. using a pressurised fluid for most or all the force required for steering a vehicle
    • B62D5/08—Power-assisted or power-driven steering fluid, i.e. using a pressurised fluid for most or all the force required for steering a vehicle characterised by type of steering valve used
    • B62D5/083—Rotary valves

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Power Steering Mechanism (AREA)

Abstract

PURPOSE:To firmly stick sealing rings to a sleeve with little insertion margin by welding the sealing rings after they are inserted by pressure and fixed into coupl ing holes of a sleeve valve member of a rotary valve. CONSTITUTION:A rotary valve 21 is constituted with a spool valve member 22 formed in one body with a steering shaft 20 and a sleeve valve member 24 connected to a pinion shaft 13 by means of a connecting pin 23. Coupling holes 29 with a diameter larger than that of a cylinder hole 25 are formed at both ends of the sleeve valve member 24, and sealing rings 30 are inserted by pressure and held with little insertion margin into the coupling holes 29 to seal both ends of a concave groove 27 respectively. The coupling section between the outer circumference of the sealing rings 30 and the coupling holes 29 is welded 31 by means of electron beam welding, and the sealing rings 30 are united in one body with the sleeve valve member 24.
JP7106481A 1981-05-12 1981-05-12 Rotary valve Pending JPS57186582A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7106481A JPS57186582A (en) 1981-05-12 1981-05-12 Rotary valve

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7106481A JPS57186582A (en) 1981-05-12 1981-05-12 Rotary valve

Publications (1)

Publication Number Publication Date
JPS57186582A true JPS57186582A (en) 1982-11-17

Family

ID=13449717

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7106481A Pending JPS57186582A (en) 1981-05-12 1981-05-12 Rotary valve

Country Status (1)

Country Link
JP (1) JPS57186582A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2873342A1 (en) * 2004-07-21 2006-01-27 Koyo Steering Europ K S E Soc Metallic seal ring assembling process for e.g. power steering assistance valve, involves laser welding seal rings on their circumference on inner surface of jacket on its both sides by applying axial force simultaneously on rings

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2873342A1 (en) * 2004-07-21 2006-01-27 Koyo Steering Europ K S E Soc Metallic seal ring assembling process for e.g. power steering assistance valve, involves laser welding seal rings on their circumference on inner surface of jacket on its both sides by applying axial force simultaneously on rings

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