EP0023814A3 - Fluid power transmission system - Google Patents

Fluid power transmission system Download PDF

Info

Publication number
EP0023814A3
EP0023814A3 EP80302580A EP80302580A EP0023814A3 EP 0023814 A3 EP0023814 A3 EP 0023814A3 EP 80302580 A EP80302580 A EP 80302580A EP 80302580 A EP80302580 A EP 80302580A EP 0023814 A3 EP0023814 A3 EP 0023814A3
Authority
EP
European Patent Office
Prior art keywords
fluid power
unit
chambers
piston
transmission system
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.)
Ceased
Application number
EP80302580A
Other languages
German (de)
French (fr)
Other versions
EP0023814A2 (en
Inventor
Alistair Leslie Carnegie
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.)
Honeywell Normalair Garrett Holdings Ltd
Original Assignee
Normalair Garrett Holdings 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 Normalair Garrett Holdings Ltd filed Critical Normalair Garrett Holdings Ltd
Publication of EP0023814A2 publication Critical patent/EP0023814A2/en
Publication of EP0023814A3 publication Critical patent/EP0023814A3/en
Ceased legal-status Critical Current

Links

Classifications

    • 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
    • F15B7/00—Systems in which the movement produced is definitely related to the output of a volumetric pump; Telemotors
    • F15B7/008—Systems in which the movement produced is definitely related to the output of a volumetric pump; Telemotors with rotary output
    • 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
    • F15B7/00—Systems in which the movement produced is definitely related to the output of a volumetric pump; Telemotors
    • F15B7/003—Systems in which the movement produced is definitely related to the output of a volumetric pump; Telemotors with multiple outputs
    • 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
    • F15B7/00—Systems in which the movement produced is definitely related to the output of a volumetric pump; Telemotors
    • F15B7/005—With rotary or crank input
    • 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
    • F15B7/00—Systems in which the movement produced is definitely related to the output of a volumetric pump; Telemotors
    • F15B7/06—Details
    • F15B7/10—Compensation of the liquid content in a system

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Supply Devices, Intensifiers, Converters, And Telemotors (AREA)
  • Fluid-Damping Devices (AREA)

Abstract

A fluid power transmission system comprises a fluid power transmitting unit (12) having a mechanical power input provided by movement of a piston (15) relative to a body portion (14) of the transmitting unit (12) and a fluid power receiving unit (13) having a mechanical power out­ put provided by movement of a piston (15) relative to a body portion (14) of the receiving unit (13). The piston (15) divides a space within the body portion (14) of each unit (12, 13) into first (16) and second (17) chambers. The first chambers (16) of the units (12, 13) are interconnected by a liquid and the second chambers (17) of the units (12, 13) are interconnected by a gas.
Means are disclosed which compensate for changes in the volume of the liquid interconnection due to tempe­ rature changes so that a mechanical output from the re­ ceiving unit (13) is not affected by such volume changes.
EP80302580A 1979-07-30 1980-07-28 Fluid power transmission system Ceased EP0023814A3 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB7926500 1979-07-30
GB7926500 1979-07-30

Publications (2)

Publication Number Publication Date
EP0023814A2 EP0023814A2 (en) 1981-02-11
EP0023814A3 true EP0023814A3 (en) 1981-10-14

Family

ID=10506870

Family Applications (1)

Application Number Title Priority Date Filing Date
EP80302580A Ceased EP0023814A3 (en) 1979-07-30 1980-07-28 Fluid power transmission system

Country Status (1)

Country Link
EP (1) EP0023814A3 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106855107A (en) * 2015-12-09 2017-06-16 熵零技术逻辑工程院集团股份有限公司 Gas speed changer

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1716121A (en) * 1928-07-30 1929-06-04 Giffen Robert Malcolm Hydraulic actuating device for aircraft
DE631770C (en) * 1933-02-23 1936-06-26 Automotive Prod Co Ltd Hydraulic control device
DE2234410A1 (en) * 1972-07-07 1974-01-24 Schweizerische Lokomotiv CROSS COUPLING OF A RAIL VEHICLE WITH BOGIES

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1716121A (en) * 1928-07-30 1929-06-04 Giffen Robert Malcolm Hydraulic actuating device for aircraft
DE631770C (en) * 1933-02-23 1936-06-26 Automotive Prod Co Ltd Hydraulic control device
DE2234410A1 (en) * 1972-07-07 1974-01-24 Schweizerische Lokomotiv CROSS COUPLING OF A RAIL VEHICLE WITH BOGIES

Also Published As

Publication number Publication date
EP0023814A2 (en) 1981-02-11

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Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

AK Designated contracting states

Designated state(s): DE FR GB IT SE

PUAL Search report despatched

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AK Designated contracting states

Designated state(s): DE FR GB IT SE

17P Request for examination filed

Effective date: 19820315

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE APPLICATION HAS BEEN REFUSED

18R Application refused

Effective date: 19840330

RIN1 Information on inventor provided before grant (corrected)

Inventor name: CARNEGIE, ALISTAIR LESLIE