IT1086848B - Valvola per freni di rimorchi per servizio e di emergenza - Google Patents

Valvola per freni di rimorchi per servizio e di emergenza

Info

Publication number
IT1086848B
IT1086848B IT48975/77A IT4897577A IT1086848B IT 1086848 B IT1086848 B IT 1086848B IT 48975/77 A IT48975/77 A IT 48975/77A IT 4897577 A IT4897577 A IT 4897577A IT 1086848 B IT1086848 B IT 1086848B
Authority
IT
Italy
Prior art keywords
emergency
service
valve
trailer brakes
trailer
Prior art date
Application number
IT48975/77A
Other languages
English (en)
Original Assignee
Wagner Electric Corp
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 Wagner Electric Corp filed Critical Wagner Electric Corp
Application granted granted Critical
Publication of IT1086848B publication Critical patent/IT1086848B/it

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
    • B60T17/00—Component parts, details, or accessories of power brake systems not covered by groups B60T8/00, B60T13/00 or B60T15/00, or presenting other characteristic features
    • B60T17/18—Safety devices; Monitoring
    • 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
    • B60T13/00—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems
    • B60T13/10—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems with fluid assistance, drive, or release
    • B60T13/24—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems with fluid assistance, drive, or release the fluid being gaseous
    • B60T13/26—Compressed-air systems
    • B60T13/261—Compressed-air systems systems with both indirect application and application by springs or weights and released by compressed air
    • B60T13/265—Compressed-air systems systems with both indirect application and application by springs or weights and released by compressed air dependent systems, e.g. trailer systems
    • 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
    • B60T15/18—Triple or other relay valves which allow step-wise application or release and which are actuated by brake-pipe pressure variation to connect brake cylinders or equivalent to compressed air or vacuum source or atmosphere
    • B60T15/20—Triple or other relay valves which allow step-wise application or release and which are actuated by brake-pipe pressure variation to connect brake cylinders or equivalent to compressed air or vacuum source or atmosphere controlled by two fluid pressures
    • B60T15/22—Triple or other relay valves which allow step-wise application or release and which are actuated by brake-pipe pressure variation to connect brake cylinders or equivalent to compressed air or vacuum source or atmosphere controlled by two fluid pressures with one or more auxiliary valves, for braking, releasing, filling reservoirs
    • 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
    • B60T8/32—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force responsive to a speed condition, e.g. acceleration or deceleration
    • B60T8/34—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force responsive to a speed condition, e.g. acceleration or deceleration having a fluid pressure regulator responsive to a speed condition
    • B60T8/36—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force responsive to a speed condition, e.g. acceleration or deceleration having a fluid pressure regulator responsive to a speed condition including a pilot valve responding to an electromagnetic force
    • B60T8/361—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force responsive to a speed condition, e.g. acceleration or deceleration having a fluid pressure regulator responsive to a speed condition including a pilot valve responding to an electromagnetic force wherein the pilot valve is mounted in a circuit controlling an auxiliary fluid system
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/4673—Plural tanks or compartments with parallel flow
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/7722—Line condition change responsive valves
    • Y10T137/7837—Direct response valves [i.e., check valve type]
    • Y10T137/7838—Plural
    • Y10T137/7839—Dividing and recombining in a single flow path

Landscapes

  • Engineering & Computer Science (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Electromagnetism (AREA)
  • Valves And Accessory Devices For Braking Systems (AREA)
  • Braking Systems And Boosters (AREA)
IT48975/77A 1976-04-15 1977-04-14 Valvola per freni di rimorchi per servizio e di emergenza IT1086848B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/677,405 US4042281A (en) 1976-04-15 1976-04-15 Service and emergency trailer valve

Publications (1)

Publication Number Publication Date
IT1086848B true IT1086848B (it) 1985-05-31

Family

ID=24718574

Family Applications (1)

Application Number Title Priority Date Filing Date
IT48975/77A IT1086848B (it) 1976-04-15 1977-04-14 Valvola per freni di rimorchi per servizio e di emergenza

Country Status (8)

Country Link
US (1) US4042281A (it)
JP (1) JPS52145923A (it)
CA (1) CA1061838A (it)
DE (2) DE7711856U1 (it)
ES (1) ES457864A1 (it)
FR (1) FR2348088A1 (it)
GB (1) GB1541403A (it)
IT (1) IT1086848B (it)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4145091A (en) * 1977-09-30 1979-03-20 Wagner Electric Corporation Dual relay control valve having integral solenoid valve
US4182535A (en) * 1978-09-18 1980-01-08 The Bendix Corporation Trailer brake system
GB2145485B (en) * 1983-08-24 1987-08-05 Westinghouse Brake & Signal Releasing spring-applied parking brake by service brake pressure
USRE33043E (en) * 1985-06-19 1989-09-05 Teleflex Incorporated Air bleeding system for hydraulic closed circuits
US4685293A (en) * 1985-06-19 1987-08-11 Teleflex Incorporated Air bleeding system for hydraulic closed circuits
US4915456A (en) * 1989-05-02 1990-04-10 Midland Brake, Inc. Compact, integrated, multi-function brake valve
US5322353A (en) * 1993-02-04 1994-06-21 Midland Brake, Inc. Valve assembly for a vehicle air brake system
US5425571A (en) * 1993-11-09 1995-06-20 Midland Brake, Inc. Split system full-funtion valve system for heavy duty semi-trailer brake systems
US5417479A (en) * 1993-11-09 1995-05-23 Midland Brake, Inc. Full-function valve for heavy duty semi-trailer brake system
US5458403A (en) * 1994-04-29 1995-10-17 Midland Brake, Inc. Full-function valve with quick drive away for heavy duty semi-trailer brake systems
US5553928A (en) * 1995-03-28 1996-09-10 Midland Brake, Inc. Simplified full-function valve for heavy duty brake systems

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2278181A (en) * 1939-05-17 1942-03-31 Sulzer Ag Engine and gear coupling
US2897012A (en) * 1955-04-07 1959-07-28 Bendix Westinghouse Automotive Relay emergency valve
US3059975A (en) * 1958-08-20 1962-10-23 Bendix Westinghouse Automotive Relay emergency valve
BE759742A (fr) * 1969-12-09 1971-06-02 Gachot Jean Systeme de freinage et de verrouillage a air comprime pour remorque ou semi-remorque
JPS50385B1 (it) * 1970-05-29 1975-01-08
JPS496068A (it) * 1972-02-24 1974-01-19
US3862782A (en) * 1973-07-27 1975-01-28 Berg Manufacturing Co Spring brake chamber control valve

Also Published As

Publication number Publication date
CA1061838A (en) 1979-09-04
JPS52145923A (en) 1977-12-05
FR2348088B1 (it) 1979-03-02
GB1541403A (en) 1979-02-28
US4042281A (en) 1977-08-16
ES457864A1 (es) 1978-03-01
DE7711856U1 (de) 1978-11-30
FR2348088A1 (fr) 1977-11-10
DE2716796A1 (de) 1977-10-20

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