GB2226868A - A piston assembly - Google Patents

A piston assembly

Info

Publication number
GB2226868A
GB2226868A GB8920909A GB8920909A GB2226868A GB 2226868 A GB2226868 A GB 2226868A GB 8920909 A GB8920909 A GB 8920909A GB 8920909 A GB8920909 A GB 8920909A GB 2226868 A GB2226868 A GB 2226868A
Authority
GB
United Kingdom
Prior art keywords
piston assembly
piston
locates
cylinder
axially
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
GB8920909A
Other versions
GB2226868B (en
GB8920909D0 (en
Inventor
Keith Vernon Leigh-Monstevens
Leslie Paul Branum
David Curtis Barker
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.)
Automotive Products PLC
Original Assignee
Automotive Products PLC
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
Priority claimed from US07/049,133 external-priority patent/US4856282A/en
Priority claimed from US07/056,058 external-priority patent/US4831916A/en
Application filed by Automotive Products PLC filed Critical Automotive Products PLC
Publication of GB8920909D0 publication Critical patent/GB8920909D0/en
Publication of GB2226868A publication Critical patent/GB2226868A/en
Application granted granted Critical
Publication of GB2226868B publication Critical patent/GB2226868B/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D25/00—Fluid-actuated clutches
    • F16D25/12—Details not specific to one of the before-mentioned types
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
    • B60T11/00—Transmitting braking action from initiating means to ultimate brake actuator without power assistance or drive or where such assistance or drive is irrelevant
    • B60T11/10—Transmitting braking action from initiating means to ultimate brake actuator without power assistance or drive or where such assistance or drive is irrelevant transmitting by fluid means, e.g. hydraulic
    • B60T11/16—Master control, e.g. master cylinders
    • 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
    • F15B7/08—Input units; Master units
    • 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
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D25/00—Fluid-actuated clutches
    • F16D25/08—Fluid-actuated clutches with fluid-actuated member not rotating with a clutching member
    • 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
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D25/00—Fluid-actuated clutches
    • F16D25/08—Fluid-actuated clutches with fluid-actuated member not rotating with a clutching member
    • F16D2025/081—Hydraulic devices that initiate movement of pistons in slave cylinders for actuating clutches, i.e. master cylinders

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Transportation (AREA)
  • Pistons, Piston Rings, And Cylinders (AREA)
  • Hydraulic Clutches, Magnetic Clutches, Fluid Clutches, And Fluid Joints (AREA)

Abstract

The assembly comprises a piston (18) made of plastics material and which is slidable axially in a cylinder (16). The piston has an axially extending socket (18f) in an end thereof made of metallic material which locates a piston rod (21).
GB8920909A 1987-05-12 1988-04-25 A piston assembly Expired - Lifetime GB2226868B (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US07/049,133 US4856282A (en) 1987-05-12 1987-05-12 Center-feed master cylinder with retainer for valve stem
US07/056,058 US4831916A (en) 1987-06-01 1987-06-01 Piston assembly
PCT/GB1988/000317 WO1988008801A1 (en) 1987-05-12 1988-04-25 A piston assembly

Publications (3)

Publication Number Publication Date
GB8920909D0 GB8920909D0 (en) 1989-11-08
GB2226868A true GB2226868A (en) 1990-07-11
GB2226868B GB2226868B (en) 1991-02-13

Family

ID=26726878

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8920909A Expired - Lifetime GB2226868B (en) 1987-05-12 1988-04-25 A piston assembly

Country Status (3)

Country Link
AU (1) AU1689888A (en)
GB (1) GB2226868B (en)
WO (1) WO1988008801A1 (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4202905A1 (en) * 1992-02-01 1993-08-05 Bosch Gmbh Robert CYLINDERS, ESPECIALLY PRESSURE MEDIA FOR HYDRAULIC BRAKE SYSTEMS
DE4232807A1 (en) * 1992-02-14 1993-08-19 Teves Gmbh Alfred PISTON WITH A CLAMPING ROD ROD
US5957030A (en) * 1996-02-13 1999-09-28 Fahrzeugtechnik Ebern Gmbh Actuator and the process for its assembly
FR2788095B1 (en) * 1998-12-30 2001-03-02 Valeo CLUTCH TRANSMITTER HYDRAULIC CYLINDER COMPRISING IMPROVED MEANS FOR AXIAL RETENTION OF THE PISTON ROD
DE10051385C1 (en) 2000-10-17 2002-03-28 Lucas Varity Gmbh Braking servo operating device has operating rod coupled to brake pedal received within reception sleeve of input element containing spring sleeve having spring elements cooperating with operating rod
DE10062988B4 (en) * 2000-12-16 2005-10-06 Zf Sachs Ag Hydraulic actuator on motor vehicles
DE10110931C1 (en) 2001-03-07 2003-02-13 Lucas Automotive Gmbh Brake system and power transmission arrangement therefor
FR2969087B1 (en) * 2010-12-21 2016-05-13 Bosch Gmbh Robert PLASTIC PRIMARY PISTON WITH FUNCTIONAL INSERT FOR MASTER-CYLINDER TANDEM WITH PENETRATION AND MASTER CYLINDER PROVIDED WITH SUCH A PISTON

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3149628A1 (en) * 1981-12-15 1983-07-21 FAG Kugelfischer Georg Schäfer & Co, 8720 Schweinfurt Ball and socket joint
DE3247116A1 (en) * 1982-12-20 1984-06-20 FAG Kugelfischer Georg Schäfer KGaA, 8720 Schweinfurt Master cylinder
DE3431115A1 (en) * 1984-08-24 1986-03-06 Alfred Teves Gmbh, 6000 Frankfurt Master cylinder
EP0185165A1 (en) * 1984-11-30 1986-06-25 AlliedSignal Inc. Plastic master cylinder
US4599860A (en) * 1975-04-14 1986-07-15 Automotive Products Plc Liquid pressure apparatus

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4599860A (en) * 1975-04-14 1986-07-15 Automotive Products Plc Liquid pressure apparatus
US4599860B1 (en) * 1975-04-14 1989-02-28
DE3149628A1 (en) * 1981-12-15 1983-07-21 FAG Kugelfischer Georg Schäfer & Co, 8720 Schweinfurt Ball and socket joint
DE3247116A1 (en) * 1982-12-20 1984-06-20 FAG Kugelfischer Georg Schäfer KGaA, 8720 Schweinfurt Master cylinder
DE3431115A1 (en) * 1984-08-24 1986-03-06 Alfred Teves Gmbh, 6000 Frankfurt Master cylinder
EP0185165A1 (en) * 1984-11-30 1986-06-25 AlliedSignal Inc. Plastic master cylinder

Also Published As

Publication number Publication date
GB2226868B (en) 1991-02-13
AU1689888A (en) 1988-12-06
GB8920909D0 (en) 1989-11-08
WO1988008801A1 (en) 1988-11-17

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Legal Events

Date Code Title Description
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20070425