GB946325A - Improvements in hydraulic braking systems for vehicles - Google Patents

Improvements in hydraulic braking systems for vehicles

Info

Publication number
GB946325A
GB946325A GB690861A GB690861A GB946325A GB 946325 A GB946325 A GB 946325A GB 690861 A GB690861 A GB 690861A GB 690861 A GB690861 A GB 690861A GB 946325 A GB946325 A GB 946325A
Authority
GB
United Kingdom
Prior art keywords
piston
chamber
pressure
stem
pass
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.)
Expired
Application number
GB690861A
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.)
AUTOBRZDY JABLONEC NP
Original Assignee
AUTOBRZDY JABLONEC NP
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 AUTOBRZDY JABLONEC NP filed Critical AUTOBRZDY JABLONEC NP
Publication of GB946325A publication Critical patent/GB946325A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • B60T8/00—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force
    • B60T8/26—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force characterised by producing differential braking between front and rear wheels
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B1/00—Conductors or conductive bodies characterised by the conductive materials; Selection of materials as conductors
    • H01B1/04—Conductors or conductive bodies characterised by the conductive materials; Selection of materials as conductors mainly consisting of carbon-silicon compounds, carbon or silicon
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01T—SPARK GAPS; OVERVOLTAGE ARRESTERS USING SPARK GAPS; SPARKING PLUGS; CORONA DEVICES; GENERATING IONS TO BE INTRODUCED INTO NON-ENCLOSED GASES
    • H01T13/00—Sparking plugs
    • H01T13/20—Sparking plugs characterised by features of the electrodes or insulation
    • H01T13/38—Selection of materials for insulation
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01T—SPARK GAPS; OVERVOLTAGE ARRESTERS USING SPARK GAPS; SPARKING PLUGS; CORONA DEVICES; GENERATING IONS TO BE INTRODUCED INTO NON-ENCLOSED GASES
    • H01T13/00—Sparking plugs
    • H01T13/40—Sparking plugs structurally combined with other devices
    • H01T13/41—Sparking plugs structurally combined with other devices with interference suppressing or shielding means

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Hydraulic Control Valves For Brake Systems (AREA)
  • Transmission Of Braking Force In Braking Systems (AREA)

Abstract

946,325. Fluid pressure brakes. AUTOBRZDY JABLONEC NARODNI PODNIK. Feb. 24, 1961 [Feb. 27, 1960], No. 6908/61. Heading F2F. [Also in Division F1] A device for augmenting hydraulic brake pressure to the front wheel brake cylinders of an hydraulic braking system of a road vehicle comprises a differential piston 6 of bell-like shape operating in a cylinder 1 which has an axial tube 2 telescopically received within the piston so that the piston skirt operates in an annular chamber 14 of smaller effective crosssectional area than that of an inlet chamber 15, on the opposite side of the piston, the chamber 14 being connected via an outlet 19 to the front brake cylinders, whilst chamber 15 is connected via inlet 18 to a brake master cylinder and via outlet 20 to the rear brake cylinders, there being also a by-pass 13 between the chambers 14, 15 arranged to be closed during initial movement of the piston so that the pressure is initially the same in the two chambers. In the form shown in Fig. 1, a sealing gland 10 secured to the skirt 9 effects the closing of the by-pass 13. The gland 10 is held in place by a main return spring 8 acting on an abutment ring 12<SP>1</SP> a second return spring 7 being provided within the tube 2 and adjustable by a screw 17 to vary the ratio of augmented pressure to master cylinder pressure. In the modified form of bypass shown in Fig. 2, the by-pass passage 29 communicates with a valve chamber in which a spring-loaded valve 21 having a depending stem 22 co-operates with a seat 23. The valve is opened by the engagement of a shoulder 27 with the stem 22 during completion of its return movement, and is closed when the stem 22 is released during initial forward movement of the piston.
GB690861A 1960-02-27 1961-02-24 Improvements in hydraulic braking systems for vehicles Expired GB946325A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CS131860 1960-02-27

Publications (1)

Publication Number Publication Date
GB946325A true GB946325A (en) 1964-01-08

Family

ID=5347252

Family Applications (1)

Application Number Title Priority Date Filing Date
GB690861A Expired GB946325A (en) 1960-02-27 1961-02-24 Improvements in hydraulic braking systems for vehicles

Country Status (2)

Country Link
DE (1) DE1247883B (en)
GB (1) GB946325A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3981146A (en) * 1972-09-13 1976-09-21 Borg-Warner Corporation Variable ratio master cylinder

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2926258C2 (en) * 1979-06-29 1981-08-13 Festo-Maschinenfabrik Gottlieb Stoll, 7300 Esslingen Single acting actuator

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2399269A (en) * 1941-06-03 1946-04-30 Timken Axle Co Detroit Hydraulic brake system
BE492897A (en) * 1947-07-09
DE1091884B (en) * 1954-10-06 1960-10-27 Teves Kg Alfred Pressure regulator, in particular for hydraulic brake actuation systems in motor vehicles
US2813399A (en) * 1956-06-04 1957-11-19 James H Townsend Hydraulic fluid pressure booster
US2940261A (en) * 1959-06-26 1960-06-14 Gunter Krause Booster for hydraulic control system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3981146A (en) * 1972-09-13 1976-09-21 Borg-Warner Corporation Variable ratio master cylinder

Also Published As

Publication number Publication date
DE1247883B (en) 1967-08-17

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