GB1485697A - Motor-vehicle braking apparatus - Google Patents

Motor-vehicle braking apparatus

Info

Publication number
GB1485697A
GB1485697A GB578675A GB578675A GB1485697A GB 1485697 A GB1485697 A GB 1485697A GB 578675 A GB578675 A GB 578675A GB 578675 A GB578675 A GB 578675A GB 1485697 A GB1485697 A GB 1485697A
Authority
GB
United Kingdom
Prior art keywords
valve
controls
retarder
handle
opened
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
GB578675A
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.)
Daimler Benz AG
Original Assignee
Daimler Benz AG
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 Daimler Benz AG filed Critical Daimler Benz AG
Publication of GB1485697A publication Critical patent/GB1485697A/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
    • B60T15/00—Construction arrangement, or operation of valves incorporated in power brake systems and not covered by groups B60T11/00 or B60T13/00
    • B60T15/02—Application and release valves
    • B60T15/04—Driver's valves
    • B60T15/041—Driver's valves controlling auxiliary pressure brakes, e.g. parking or emergency brakes
    • 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
    • B60T15/00—Construction arrangement, or operation of valves incorporated in power brake systems and not covered by groups B60T11/00 or B60T13/00
    • B60T15/02—Application and release valves
    • B60T15/04—Driver's valves
    • B60T15/14—Driver's valves influencing electric control 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
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D57/00—Liquid-resistance brakes; Brakes using the internal friction of fluids or fluid-like media, e.g. powders

Abstract

1485697 Hydrodynamic brakes combined with other brakes DAIMLER-BENZ AG 11 Feb 1975 [16 Feb 1974] 5786/75 Headings F2F and F2E In motor vehicle braking apparatus, particularly for vehicles such as omnibuses having both an exhaust brake and a hydrodynamic retarder a brake valve 10 is operated by a handle 12 the first part of movement of which controls the exhaust brake and the remaining movement of which controls the retarder by means of electromagnetic solenoid valves through switches 14 having actuating fingers 22 moved by means of a cam disc 16 and cam track (21) so that the switches are closed in succession. As shown in Fig. 4 a main switch 26 is followed by successively closed switches 14a to 14c of which 14a controls a valve 27 for filling the retarder and by way of a shunt 28 a first pressure-stage valve 29, the shunt 28 including contacts, of a relay 30, which are open when the relay is energized. As handle 12 is moved both valves 27 and 29 are opened then valve 31 is opened but the relay contacts are opened so that valve 29 is deenergized and the retarder is thus switched to the second pressure stage. As handle 12 is moved yet further switch 14c is closed, valve 29 receives current through line 28a and valves 29, 31 are energized simultaneously to provide maximum braking. In a modification a potentiometer for continuous or stepless control is movable with the operating handle and controls by way of an amplifier both a filling valve and a pressure control valve.
GB578675A 1974-02-16 1975-02-11 Motor-vehicle braking apparatus Expired GB1485697A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19742407441 DE2407441A1 (en) 1974-02-16 1974-02-16 DEVICE FOR OPERATING BRAKES IN MOTOR VEHICLES, IN PARTICULAR COMMERCIAL VEHICLES, SUCH AS BUSES

Publications (1)

Publication Number Publication Date
GB1485697A true GB1485697A (en) 1977-09-14

Family

ID=5907568

Family Applications (1)

Application Number Title Priority Date Filing Date
GB578675A Expired GB1485697A (en) 1974-02-16 1975-02-11 Motor-vehicle braking apparatus

Country Status (5)

Country Link
CH (1) CH587141A5 (en)
DE (1) DE2407441A1 (en)
FR (1) FR2261161B1 (en)
GB (1) GB1485697A (en)
IT (1) IT1029733B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2819175A1 (en) * 1978-05-02 1979-11-15 Wabco Fahrzeugbremsen Gmbh DEVICE FOR REGULATING THE SPEED OF A VEHICLE

Also Published As

Publication number Publication date
DE2407441A1 (en) 1975-08-21
FR2261161B1 (en) 1977-04-15
CH587141A5 (en) 1977-04-29
IT1029733B (en) 1979-03-20
FR2261161A1 (en) 1975-09-12

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee