DE68906851D1 - Hydraulisches pilotventil. - Google Patents

Hydraulisches pilotventil.

Info

Publication number: DE68906851D1
Authority: DE; Germany
Prior art keywords: pilot valve; hydraulic pilot; hydraulic; valve; pilot
Prior art date: 1988-03-31
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.): Expired - Fee Related

Application number

DE8989904218T

Other languages

English (en)

Other versions

DE68906851T2 (de

Inventor

Shyuji Hori

Jun Maruyama

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.)

1988-03-31

Filing date

1989-03-31

Publication date

1993-07-08

1989-03-31 Application filed by Komatsu Ltd filed Critical Komatsu Ltd

1993-07-08 Application granted granted Critical

1993-07-08 Publication of DE68906851D1 publication Critical patent/DE68906851D1/de

1994-01-13 Publication of DE68906851T2 publication Critical patent/DE68906851T2/de

2009-04-01 Anticipated expiration legal-status Critical

Status Expired - Fee Related legal-status Critical Current

Links

Classifications

- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/44—Mechanical actuating means
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B13/00—Details of servomotor systems ; Valves for servomotor systems
- F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
- F15B13/04—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with a single servomotor
- F15B13/042—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with a single servomotor operated by fluid pressure
- F15B13/0422—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with a single servomotor operated by fluid pressure with manually-operated pilot valves, e.g. joysticks
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T137/00—Fluid handling
- Y10T137/8593—Systems
- Y10T137/87056—With selective motion for plural valve actuator
- Y10T137/87064—Oppositely movable cam surfaces
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T137/00—Fluid handling
- Y10T137/8593—Systems
- Y10T137/87169—Supply and exhaust
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T137/00—Fluid handling
- Y10T137/8593—Systems
- Y10T137/87169—Supply and exhaust
- Y10T137/87233—Biased exhaust valve

Landscapes

Engineering & Computer Science (AREA)
General Engineering & Computer Science (AREA)
Mechanical Engineering (AREA)
Physics & Mathematics (AREA)
Fluid Mechanics (AREA)
Mechanically-Actuated Valves (AREA)

DE89904218T 1988-03-31 1989-03-31 Hydraulisches pilotventil. Expired - Fee Related DE68906851T2 (de)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
JP63076298A JPH07103942B2 (ja)	1988-03-31	1988-03-31	油圧パイロットバルブ装置

Publications (2)

Publication Number	Publication Date
DE68906851D1 true DE68906851D1 (de)	1993-07-08
DE68906851T2 DE68906851T2 (de)	1994-01-13

Family

ID=13601458

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
DE89904218T Expired - Fee Related DE68906851T2 (de)	1988-03-31	1989-03-31	Hydraulisches pilotventil.

Country Status (6)

Country	Link
US (1)	US5251660A (de)
EP (1)	EP0364603B1 (de)
JP (1)	JPH07103942B2 (de)
KR (1)	KR0130578B1 (de)
DE (1)	DE68906851T2 (de)
WO (1)	WO1989009360A1 (de)

Families Citing this family (24)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE3927674A1 (de) *	1989-08-22	1991-02-28	Merck Patent Gmbh	Matrix - fluessigkristallanzeige
EP0775832A4 (de) *	1992-10-09	1998-02-25	Komatsu Mfg Co Ltd	Hydraulisches pilotventil
JP3503756B2 (ja) *	1993-09-28	2004-03-08	株式会社小松製作所	油圧パイロット弁のダンパ装置
DE4418524C2 (de) *	1994-05-27	1996-07-25	Rexroth Mannesmann Gmbh	Vorgesteuertes 3-Wege-Druckminderventil
JP2786401B2 (ja) *	1994-11-10	1998-08-13	川崎重工業株式会社	油圧操作弁
US5653420A (en) *	1995-11-13	1997-08-05	Ingersoll-Rand Company	Locking control valve handle
JP3337121B2 (ja) *	1997-05-22	2002-10-21	川崎重工業株式会社	パイロット弁
US6478572B1 (en) *	2000-07-06	2002-11-12	Husky Injection Molding Systems, Ltd.	Energy efficient extruder drive
FR2854668B1 (fr) *	2003-05-05	2006-07-07	Rexroth Sa	Distributeur de fluide sous pression a guide double
FR2857705B1 (fr) *	2003-07-18	2005-09-30	Bosch Rexroth Dsi Sas	Dispositif distributeur de fluide sous pression a regulation inversee
FR2866678B1 (fr) *	2004-03-04	2006-06-09	Bosch Rexroth Dsi Sas	Distributeur de fluide sous pression a guide double
ITPR20050062A1 (it) *	2005-10-20	2006-01-19	Walvoil Spa	Servocomando idraulico con sistema di smorzamento delle oscillazioni.
KR101361019B1 (ko) *	2007-04-17	2014-02-10	와르보일 에스피에이	진동 완충 시스템을 구비한 유압식 조타 조절 장치
JP4315220B2 (ja) *	2007-06-29	2009-08-19	株式会社デンソー	バルブ装置
CN101303088B (zh) *	2008-06-10	2011-01-19	浙江苏强格液压有限公司	手先导阀
CN101328982B (zh) *	2008-07-01	2011-12-28	浙江苏强格液压股份有限公司	脚先导阀
CN101328983B (zh) *	2008-07-01	2012-02-22	浙江苏强格液压股份有限公司	变量手先导阀
CN101319729B (zh) *	2008-07-02	2012-02-15	浙江苏强格液压股份有限公司	变量脚先导阀
FR2938309B1 (fr) *	2008-11-12	2010-10-29	Bosch Rexroth Dsi Sas	Dispositif de regulation de pression, notamment du type telecommande hydraulique
JP5238739B2 (ja) *	2010-02-26	2013-07-17	川崎重工業株式会社	操作装置
KR101301107B1 (ko) *	2012-04-12	2013-08-27	주식회사 프로텍	압전 펌프
KR200475019Y1 (ko) *	2013-01-10	2014-11-17	이튼인더스트리즈 유한회사	댐핑기능을 갖는 조이스틱 파일럿밸브
CN203880194U (zh) *	2014-04-18	2014-10-15	天津华宁电子有限公司	一种矿用手自一体式电磁先导阀
KR102374906B1 (ko) *	2021-08-20	2022-03-16	주식회사 영동테크	유압 파일럿 밸브

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
FR2376978A1 (fr) *	1977-01-06	1978-08-04	Rexroth Sigma	Perfectionnements aux dispositifs distributeurs de fluide, notamment pour telecommande hydraulique
JPS54100225U (de) *	1977-12-27	1979-07-14
JPS5939379U (ja) *	1982-09-08	1984-03-13	日立建機株式会社	減圧弁型パイロツト弁

1988
- 1988-03-31 JP JP63076298A patent/JPH07103942B2/ja not_active Expired - Lifetime
1989
- 1989-03-31 DE DE89904218T patent/DE68906851T2/de not_active Expired - Fee Related
- 1989-03-31 EP EP89904218A patent/EP0364603B1/de not_active Expired - Lifetime
- 1989-03-31 US US07/442,068 patent/US5251660A/en not_active Expired - Lifetime
- 1989-03-31 WO PCT/JP1989/000339 patent/WO1989009360A1/ja active IP Right Grant
- 1989-11-27 KR KR1019890702197A patent/KR0130578B1/ko not_active IP Right Cessation

Also Published As

Publication number	Publication date
JPH01250687A (ja)	1989-10-05
EP0364603A4 (de)	1990-07-03
KR0130578B1 (ko)	1998-04-10
WO1989009360A1 (en)	1989-10-05
DE68906851T2 (de)	1994-01-13
US5251660A (en)	1993-10-12
JPH07103942B2 (ja)	1995-11-08
EP0364603B1 (de)	1993-06-02
KR900700812A (ko)	1990-08-17
EP0364603A1 (de)	1990-04-25

Legal Events

Date	Code	Title	Description
1994-06-30	8364	No opposition during term of opposition
2001-04-19	8339	Ceased/non-payment of the annual fee

Publication	Publication Date	Title
DE68906851D1 (de)	1993-07-08	Hydraulisches pilotventil.
DE68903863D1 (de)	1993-01-28	Hydraulisches druckkontrollventil.
DE3876015D1 (de)	1992-12-24	Fluid-steuerventil.
DE58908726D1 (de)	1995-01-19	Proportionalventil.
DE68904830D1 (de)	1993-03-25	Hydraulisches ventilspielausgleichselement.
DE69012294D1 (de)	1994-10-13	Pilotventil.
DE58906038D1 (de)	1993-12-02	Druckventil.
DE68904855D1 (de)	1993-03-25	Hydraulisches ventilspielausgleichselement.
NO880672L (no)	1988-08-19	Hydraulisk ventil.
DE69112740D1 (de)	1995-10-12	Vorsteuerventil.
DE3889668D1 (de)	1994-06-23	Hydraulisches servoventil.
FR2733293B1 (fr)	1997-06-06	Vanne-pilote hydraulique
DE58901264D1 (de)	1992-06-04	Ventilanordnung.
DE3889915D1 (de)	1994-07-07	Vorgesteuertes Dreiwegeventil.
DE3788517D1 (de)	1994-01-27	Hydraulisches richtungs-vorsteuerventil.
DE58901996D1 (de)	1992-09-10	Hydraulisches sicherheitsventil.
DE68910431D1 (de)	1993-12-09	Fluidsteuerventil.
DE68908317D1 (de)	1993-09-16	Druckregelventil.
DE68913425D1 (de)	1994-04-07	Drucksteuerventil.
DE68917587D1 (de)	1994-09-22	Ventilanordnung.
DE68911004D1 (de)	1994-01-13	Zweistellungsventil.
KR900700767A (ko)	1990-08-16	파이롯트 작동식 조작밸브장치
DE69012051D1 (de)	1994-10-06	Hydraulikventilanordnung.
DE58900344D1 (de)	1991-11-14	Schaltventil.
DE69005843D1 (de)	1994-02-24	Hydraulisches Druckregelventil.