ZA882921B - - Google Patents

Info

Publication number
ZA882921B
ZA882921B ZA882921A ZA882921A ZA882921B ZA 882921 B ZA882921 B ZA 882921B ZA 882921 A ZA882921 A ZA 882921A ZA 882921 A ZA882921 A ZA 882921A ZA 882921 B ZA882921 B ZA 882921B
Authority
ZA
South Africa
Prior art keywords
cylinder
piston
jack
bore
wall
Prior art date
Application number
ZA882921A
Other languages
English (en)
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 filed Critical
Publication of ZA882921B publication Critical patent/ZA882921B/xx

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
    • B66F3/00—Devices, e.g. jacks, adapted for uninterrupted lifting of loads
    • B66F3/24—Devices, e.g. jacks, adapted for uninterrupted lifting of loads fluid-pressure operated
    • 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
    • F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
    • F15B15/20—Other details, e.g. assembly with regulating devices
    • F15B15/28—Means for indicating the position, e.g. end of stroke
    • F15B15/2807—Position switches, i.e. means for sensing of discrete positions only, e.g. limit switches
    • 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
    • F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
    • F15B15/20—Other details, e.g. assembly with regulating devices
    • F15B15/28—Means for indicating the position, e.g. end of stroke
    • F15B15/2815—Position sensing, i.e. means for continuous measurement of position, e.g. LVDT
    • F15B15/2861—Position sensing, i.e. means for continuous measurement of position, e.g. LVDT using magnetic means

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • General Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Structural Engineering (AREA)
  • Actuator (AREA)
  • Servomotors (AREA)
  • Valve Device For Special Equipments (AREA)
  • Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
  • Vehicle Body Suspensions (AREA)
  • Sorption Type Refrigeration Machines (AREA)
  • Engine Equipment That Uses Special Cycles (AREA)
  • Separation By Low-Temperature Treatments (AREA)
  • Emergency Protection Circuit Devices (AREA)
  • Body Structure For Vehicles (AREA)
  • Gear Transmission (AREA)
  • Fluid-Pressure Circuits (AREA)
  • Forklifts And Lifting Vehicles (AREA)
ZA882921A 1987-05-06 1988-04-25 ZA882921B (uk)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8706368A FR2614946B1 (fr) 1987-05-06 1987-05-06 Verin hydraulique avec systeme de controle de position du piston

Publications (1)

Publication Number Publication Date
ZA882921B true ZA882921B (uk) 1988-10-27

Family

ID=9350823

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA882921A ZA882921B (uk) 1987-05-06 1988-04-25

Country Status (19)

Country Link
US (1) US5031504A (uk)
EP (1) EP0290320B1 (uk)
JP (1) JPS63295399A (uk)
KR (1) KR920004529B1 (uk)
CN (1) CN1009853B (uk)
AT (1) ATE54726T1 (uk)
AU (1) AU598362B2 (uk)
BR (1) BR8802199A (uk)
CA (1) CA1287342C (uk)
CZ (1) CZ280407B6 (uk)
DE (1) DE3860323D1 (uk)
ES (1) ES2016123B3 (uk)
FI (1) FI87104C (uk)
FR (1) FR2614946B1 (uk)
HU (1) HU209777B (uk)
SU (1) SU1722242A3 (uk)
UA (1) UA5569A1 (uk)
YU (1) YU47284B (uk)
ZA (1) ZA882921B (uk)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5704813A (en) * 1995-12-13 1998-01-06 Namco Controls Corporation Proximity sensor housing and arrangement
DE19824940A1 (de) * 1998-06-04 1999-12-09 Mannesmann Sachs Ag Betätigungseinrichtung für Kraftfahrzeuge mit integrierter Positionserkennung
US6941827B2 (en) * 2003-12-19 2005-09-13 Caterpillar Inc. Mounting apparatus and method for cylinder position sensor
DE102006028785B3 (de) * 2006-06-23 2007-04-12 Audi Ag Anordnung von Positionsgebern an einer Schaltstange
DE102008035971B3 (de) * 2008-08-01 2009-09-24 Stabilus Gmbh Verstellelement
CN104405716B (zh) * 2014-11-04 2016-03-16 哈尔滨工业大学 两端预紧式压电堆致缸体多模态振动的低摩擦特性气缸
CN105366583B (zh) * 2015-12-15 2019-03-22 常州信息职业技术学院 基于无线通信的智能千斤顶装置
CN105621305B (zh) * 2016-03-03 2018-09-28 郑州四维矿业机械有限责任公司 一种活塞及使用该活塞的千斤顶
JP6437037B2 (ja) * 2017-03-30 2018-12-12 本田技研工業株式会社 アクチュエータ及びそれを備えた流体圧制御回路

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR954080A (fr) * 1941-07-23 1949-12-19 Const Mecaniques De La Vallee Cylindre hydraulique à fonctionnement libre
US3717073A (en) * 1971-06-23 1973-02-20 Caterpillar Tractor Co Proximity switch magnet control for bucket positioner
FR2317532A1 (fr) * 1975-07-07 1977-02-04 Gratzmuller Jean Louis Verin hydraulique a amortisseur incorpore avec realimentation de la chambre d'amortissement
US4316145A (en) * 1976-10-01 1982-02-16 Electro-Mechanical Products Fluid pressure actuator with proximity position sensor
US4385297A (en) * 1980-01-14 1983-05-24 Schmitt Wilhelm E Arrangement for sensing proximity of a reciprocating member
DE3241237C2 (de) * 1982-11-09 1985-10-24 Gewerkschaft Eisenhütte Westfalia, 4670 Lünen Schubkolbengetriebe, insbesondere zur Verwendung als Rückzylinder in Bergbau-Gewinnungsbetrieben, mit an der Kolbenstange angeordnetem Dauermagnetsystem
DE3314111A1 (de) * 1983-04-19 1984-10-25 Dr.Ing.H.C. F. Porsche Ag, 7000 Stuttgart Einrichtung zur wegabhaengigen positionsangabe hydraulisch betaetigter schaltstangen
DE3437150A1 (de) * 1984-10-10 1986-04-10 Robert Bosch Gmbh, 7000 Stuttgart Ventil
DE3525029C2 (de) * 1984-12-22 1995-08-31 Festo Kg Kolben-Zylinder-Anordnung
US4681992A (en) * 1986-03-06 1987-07-21 C. M. Smillie & Company Cushioned clamp cylinder with proximity switches
US4756229A (en) * 1986-09-25 1988-07-12 United Technologies Corporation Digital motor feedback for a position actuator
US4755636A (en) * 1987-06-24 1988-07-05 Taiyo, Ltd. Piston position detecting device for fluid pressure cylinder

Also Published As

Publication number Publication date
EP0290320A1 (fr) 1988-11-09
YU47284B (sh) 1995-01-31
FI87104B (fi) 1992-08-14
YU88288A (en) 1990-12-31
AU598362B2 (en) 1990-06-21
CZ280407B6 (cs) 1996-01-17
HU209777B (en) 1994-10-28
JPH0543640B2 (uk) 1993-07-02
SU1722242A3 (ru) 1992-03-23
BR8802199A (pt) 1988-12-06
CS303388A3 (en) 1992-04-15
US5031504A (en) 1991-07-16
FR2614946A1 (fr) 1988-11-10
UA5569A1 (uk) 1994-12-28
JPS63295399A (ja) 1988-12-01
CN88102582A (zh) 1988-11-23
ES2016123B3 (es) 1990-10-16
FR2614946B1 (fr) 1989-06-23
FI882038A (fi) 1988-11-07
ATE54726T1 (de) 1990-08-15
CA1287342C (en) 1991-08-06
FI882038A0 (fi) 1988-05-02
AU1502788A (en) 1988-11-10
FI87104C (fi) 1992-11-25
CN1009853B (zh) 1990-10-03
KR920004529B1 (ko) 1992-06-08
HUT52604A (en) 1990-07-28
EP0290320B1 (fr) 1990-07-18
KR880013812A (ko) 1988-12-21
DE3860323D1 (de) 1990-08-23

Similar Documents

Publication Publication Date Title
ATE132234T1 (de) Verbindungsanordnung mit mittel zur leckdetektion
ZA882921B (uk)
JPS5428978A (en) Sealing device for pressure fluid cylinder
CA2137556A1 (en) Cable sealing and/or feedthrough device
GB1492160A (en) Actuator with pressure tappings for position sensing
ATE48373T1 (de) Druckkocher mit sicherheitseinrichtung bestehend aus dichtungsring mit kontrollierter dampfausstroemung.
ZA882602B (uk)
DK228183A (da) Fluidtaetningssystem for toppakning til forbraendingsmotor
GB1396457A (en) Pressure vessels
NO170207C (no) Innretning for tetting av spalten mellom aapningen til en beholder og et bevegelig forsyningsroer gjennom aapningen
ES455225A1 (es) Perfeccionamientos en dispositivos de estanquidad entre una caja provista de un anima y un piston desplazable en el in- terior del anima.
SU847115A1 (ru) Устройство дл гидроопрессовки изделий
TH5789EX (th) อุปกรณ์หยุดการรั่วของแก๊สเนื่องจากการชำรุดของวาล์วถังแก๊ส
FR2444930A1 (fr) Debitmetre a piston annulaire
DE3684390D1 (de) Verschliessbarer behaelter fuer fluessigkeiten, schlaemme oder dgl.
JPS54131296A (en) Method of confirmation of sealing performance in stern- tube oil-seal device
GB1142219A (en) Pistion rod seal for a fluid-pressure cylinder
CA890310A (en) Device for sealing a hydrostatically journalled piston against a cylinder wall
CA890309A (en) Device for sealing a hydrostatically journalled piston against a cylinder wall
JPS6415238A (en) Sealing method for vacuum container and its device
JPS53112353A (en) Leakage detector for a companion flange in hydraulic powe installation
JPS57206509A (en) Hydraulic cylinder