DE19681706T1 - Druckschalter für eine Hydraulikpumpe - Google Patents

Druckschalter für eine Hydraulikpumpe

Info

Publication number
DE19681706T1
DE19681706T1 DE19681706T DE19681706T DE19681706T1 DE 19681706 T1 DE19681706 T1 DE 19681706T1 DE 19681706 T DE19681706 T DE 19681706T DE 19681706 T DE19681706 T DE 19681706T DE 19681706 T1 DE19681706 T1 DE 19681706T1
Authority
DE
Germany
Prior art keywords
hydraulic pump
pressure switch
switch
pressure
hydraulic
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.)
Granted
Application number
DE19681706T
Other languages
English (en)
Other versions
DE19681706C2 (de
Inventor
Tetsuji Hayashi
Kenichi Kuga
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.)
KYB Corp
Original Assignee
Kayaba Industry Co 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 Kayaba Industry Co Ltd filed Critical Kayaba Industry Co Ltd
Publication of DE19681706T1 publication Critical patent/DE19681706T1/de
Application granted granted Critical
Publication of DE19681706C2 publication Critical patent/DE19681706C2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H35/00—Switches operated by change of a physical condition
    • H01H35/24—Switches operated by change of fluid pressure, by fluid pressure waves, or by change of fluid flow
    • H01H35/38—Switches operated by change of fluid pressure, by fluid pressure waves, or by change of fluid flow actuated by piston and cylinder
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H35/00—Switches operated by change of a physical condition
    • H01H35/24—Switches operated by change of fluid pressure, by fluid pressure waves, or by change of fluid flow
    • H01H35/26—Details
    • H01H35/2607—Means for adjustment of "ON" or "OFF" operating pressure
    • H01H35/2614—Means for adjustment of "ON" or "OFF" operating pressure by varying the bias on the pressure sensitive element
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H35/00—Switches operated by change of a physical condition
    • H01H35/24—Switches operated by change of fluid pressure, by fluid pressure waves, or by change of fluid flow
    • H01H35/26—Details
    • H01H35/2607—Means for adjustment of "ON" or "OFF" operating pressure
    • H01H35/2628—Means for adjustment of "ON" or "OFF" operating pressure by varying the relative position of switch-casing and pressure sensitive element
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H35/00—Switches operated by change of a physical condition
    • H01H35/24—Switches operated by change of fluid pressure, by fluid pressure waves, or by change of fluid flow
    • H01H35/26—Details
    • H01H35/2685—Means to protect pressure sensitive element against over pressure

Landscapes

  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Switches Operated By Changes In Physical Conditions (AREA)
DE19681706T 1995-12-27 1996-12-13 Druckschalter und Druckschalteranordnung in einer Hydraulikpumpe Expired - Lifetime DE19681706C2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP35204495A JP3916684B2 (ja) 1995-12-27 1995-12-27 油圧ポンプの圧力スイッチ
PCT/JP1996/003654 WO1997024744A1 (fr) 1995-12-27 1996-12-13 Commutateur a pression pour pompe hydraulique

Publications (2)

Publication Number Publication Date
DE19681706T1 true DE19681706T1 (de) 1998-11-26
DE19681706C2 DE19681706C2 (de) 2001-03-01

Family

ID=18421401

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19681706T Expired - Lifetime DE19681706C2 (de) 1995-12-27 1996-12-13 Druckschalter und Druckschalteranordnung in einer Hydraulikpumpe

Country Status (5)

Country Link
US (1) US5990428A (de)
JP (1) JP3916684B2 (de)
KR (1) KR100313656B1 (de)
DE (1) DE19681706C2 (de)
WO (1) WO1997024744A1 (de)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100369787B1 (ko) * 2000-04-20 2003-02-05 주재석 압력스위치
KR100449185B1 (ko) * 2001-03-05 2004-09-18 한국델파이주식회사 파워스티어링장치의 유압펌프용 압력스위치
KR20050122035A (ko) * 2004-06-23 2005-12-28 주식회사 만도 유압식 조향장치의 유압감지용 압력스위치
US7605336B2 (en) * 2007-08-30 2009-10-20 Honeywell International Inc. Pressure switch with adjustable differental setting
KR101338420B1 (ko) * 2007-09-18 2013-12-10 현대자동차주식회사 파워스티어링장치의 유압펌프용 압력스위치
KR200448460Y1 (ko) * 2008-06-24 2010-04-13 영신정공 주식회사 압력스위치 및 이를 갖는 조향펌프
CN105927531A (zh) * 2016-05-11 2016-09-07 安徽江淮汽车股份有限公司 动转泵总成
CN116164142B (zh) * 2022-12-01 2023-11-14 浙江力夫自控技术股份有限公司 一种耐压式压力开关

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2219928A1 (de) * 1972-04-22 1973-10-31 Teves Gmbh Alfred Ventil fuer die betaetigung eines elektrischen schalters (druckschalter)
DE7407137U (de) * 1974-03-01 1974-06-20 Fichtel & Sachs Ag Druckschalter für hohe Drücke
JPS6136040Y2 (de) * 1981-04-06 1986-10-20
JPH0828768B2 (ja) * 1985-09-05 1996-03-21 松下電器産業株式会社 通話装置
JPS6257352U (de) * 1985-09-30 1987-04-09
DE3603059A1 (de) * 1986-02-01 1987-08-06 Scheuffele Robert Gmbh Co Kg Druckschalter
DE3707673A1 (de) * 1987-03-10 1988-09-22 Herbert Hamke Elektrohydraulischer oder pneumatischer schalter
DE3710645A1 (de) * 1987-03-31 1988-10-20 Delaval Turbine Gmbh Druckschalter
US4752658A (en) * 1987-06-22 1988-06-21 Caterpillar Inc. Pressure checked electrical pressure switch
JPH01168935A (ja) * 1987-12-23 1989-07-04 Yoshinobu Miyata 除電性パイル織物
JP2530675B2 (ja) * 1987-12-23 1996-09-04 三菱化学株式会社 カルボン酸類の製造方法
JPH01165542U (de) * 1988-05-11 1989-11-20
JPH01168935U (de) * 1988-05-19 1989-11-29
JPH0376345U (de) * 1989-08-09 1991-07-31
JPH0376345A (ja) * 1989-08-18 1991-04-02 Furukawa Electric Co Ltd:The データ伝送方式
JP2544075Y2 (ja) * 1990-10-23 1997-08-13 株式会社ユニシアジェックス 圧力スイッチ
JPH0512968A (ja) * 1991-06-28 1993-01-22 Matsushita Refrig Co Ltd 圧力スイツチ
JP2603402Y2 (ja) * 1992-03-30 2000-03-13 株式会社ユニシアジェックス 圧力スイッチ

Also Published As

Publication number Publication date
JP3916684B2 (ja) 2007-05-16
KR100313656B1 (ko) 2002-01-30
DE19681706C2 (de) 2001-03-01
KR19990076801A (ko) 1999-10-15
JPH09180607A (ja) 1997-07-11
WO1997024744A1 (fr) 1997-07-10
US5990428A (en) 1999-11-23

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Legal Events

Date Code Title Description
8110 Request for examination paragraph 44
8607 Notification of search results after publication
8607 Notification of search results after publication
D2 Grant after examination
8364 No opposition during term of opposition
R119 Application deemed withdrawn, or ip right lapsed, due to non-payment of renewal fee