ZA815802B - Pulse width modulated constant current servo driver - Google Patents

Pulse width modulated constant current servo driver

Info

Publication number
ZA815802B
ZA815802B ZA815802A ZA815802A ZA815802B ZA 815802 B ZA815802 B ZA 815802B ZA 815802 A ZA815802 A ZA 815802A ZA 815802 A ZA815802 A ZA 815802A ZA 815802 B ZA815802 B ZA 815802B
Authority
ZA
South Africa
Prior art keywords
pulse width
constant current
width modulated
servo driver
current servo
Prior art date
Application number
ZA815802A
Other languages
English (en)
Inventor
Weldon Leon Phelps
Original Assignee
Caterpillar Tractor Co
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 Caterpillar Tractor Co filed Critical Caterpillar Tractor Co
Publication of ZA815802B publication Critical patent/ZA815802B/xx

Links

Classifications

    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D7/00—Control of flow
    • G05D7/06—Control of flow characterised by the use of electric means
    • G05D7/0617—Control of flow characterised by the use of electric means specially adapted for fluid materials
    • G05D7/0629—Control of flow characterised by the use of electric means specially adapted for fluid materials characterised by the type of regulator means
    • G05D7/0635—Control of flow characterised by the use of electric means specially adapted for fluid materials characterised by the type of regulator means by action on throttling means
    • 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
    • F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
    • F16K31/06—Actuating devices; Operating means; Releasing devices electric; magnetic using a magnet, e.g. diaphragm valves, cutting off by means of a liquid
    • F16K31/0675—Electromagnet aspects, e.g. electric supply therefor

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • Electromagnetism (AREA)
  • Mechanical Engineering (AREA)
  • General Physics & Mathematics (AREA)
  • Automation & Control Theory (AREA)
  • Magnetically Actuated Valves (AREA)
ZA815802A 1980-12-29 1981-08-21 Pulse width modulated constant current servo driver ZA815802B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/US1980/001751 WO1982002236A1 (en) 1980-12-29 1980-12-29 Pulse width modulated constant current servo driver

Publications (1)

Publication Number Publication Date
ZA815802B true ZA815802B (en) 1982-08-25

Family

ID=22154714

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA815802A ZA815802B (en) 1980-12-29 1981-08-21 Pulse width modulated constant current servo driver

Country Status (5)

Country Link
EP (1) EP0077770B1 (el)
JP (1) JPS57502014A (el)
DE (1) DE3071909D1 (el)
WO (1) WO1982002236A1 (el)
ZA (1) ZA815802B (el)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4796853A (en) * 1987-12-22 1989-01-10 General Motors Corporation Remotely configurable solenoid driver circuit for direct pressure electronic transmission control
US4838037A (en) * 1988-08-24 1989-06-13 American Standard Inc. Solenoid valve with supply voltage variation compensation
US4898361A (en) * 1989-04-28 1990-02-06 General Motors Corporation Submodulation of a pulse-width-modulated solenoid control valve
DE19725918A1 (de) * 1997-06-19 1998-12-24 Mannesmann Rexroth Ag Elektromagnetischer Stellantrieb

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3455536A (en) * 1966-12-27 1969-07-15 Monsanto Co Self-aligning valve seat
GB1399458A (en) * 1971-07-13 1975-07-02 Cav Ltd Drive circuits
GB1576822A (en) * 1976-03-19 1980-10-15 Sevcon Ltd Electromagnetically operated contactors
JPS6056948B2 (ja) * 1977-02-08 1985-12-12 株式会社日本自動車部品総合研究所 電磁弁駆動装置
JPS53121163A (en) * 1977-03-31 1978-10-23 Hitachi Ltd Electromechanical converter
FR2446936A1 (fr) * 1979-01-18 1980-08-14 Renault Dispositif traducteur electrohydraulique permettant notamment de controler une pression dans une transmission automatique

Also Published As

Publication number Publication date
DE3071909D1 (en) 1987-04-02
EP0077770A1 (en) 1983-05-04
WO1982002236A1 (en) 1982-07-08
EP0077770A4 (en) 1983-05-16
EP0077770B1 (en) 1987-02-25
JPS57502014A (el) 1982-11-11

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