GB1344174A - Monitoring circuit for an electronic anti-skid braking control system - Google Patents
Monitoring circuit for an electronic anti-skid braking control systemInfo
- Publication number
- GB1344174A GB1344174A GB2871571A GB2871571A GB1344174A GB 1344174 A GB1344174 A GB 1344174A GB 2871571 A GB2871571 A GB 2871571A GB 2871571 A GB2871571 A GB 2871571A GB 1344174 A GB1344174 A GB 1344174A
- Authority
- GB
- United Kingdom
- Prior art keywords
- monitoring circuit
- circuit
- warning device
- switching
- control 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.)
- Expired
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
- B60T8/32—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
- B60T8/88—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 with failure responsive means, i.e. means for detecting and indicating faulty operation of the speed responsive control means
- B60T8/885—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 with failure responsive means, i.e. means for detecting and indicating faulty operation of the speed responsive control means using electrical circuitry
Landscapes
- Engineering & Computer Science (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Regulating Braking Force (AREA)
Abstract
1344174 Protective arrangements SOC ANON DBA 18 June 1971 [22 June 1970] 28715/71 Heading H2K [Also in Division F2] A monitoring circuit for an electronic antiskid braking control system having a variable frequency speed signal generator P, a frequency to voltage converter C, a signal processing circuit M and an electrically operated valve EV, comprises a switching circuit B periodically actuated by a signal generator G for controlling a warning device W with a delay and for operating a switching element I connected between earth and the input to the converter C, the closing of the switching element I causing the system to function and to provide a reset signal for the switching circuit B before the warning device W can operate only if the system is in good operating condition. The generator P detects the speed of one of the vehicle wheels, but Fig. 2 (not shown) illustrates the use of a modified monitoring circuit with a common warning device and switching circuit in conjunction with AND-gates and a plurality of switching elements to indicate the failure of the anti-skid system applied to all four wheels of a vehicle.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7022929A FR2092820B1 (en) | 1970-06-22 | 1970-06-22 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1344174A true GB1344174A (en) | 1974-01-16 |
Family
ID=9057565
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB2871571A Expired GB1344174A (en) | 1970-06-22 | 1971-06-18 | Monitoring circuit for an electronic anti-skid braking control system |
Country Status (5)
Country | Link |
---|---|
DE (1) | DE2130907A1 (en) |
ES (1) | ES392535A1 (en) |
FR (1) | FR2092820B1 (en) |
GB (1) | GB1344174A (en) |
SE (1) | SE368800B (en) |
Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3680923A (en) * | 1971-03-15 | 1972-08-01 | Gen Motors Corp | Anti-lock brake control with sensor monitoring circuit |
DE2231864A1 (en) * | 1972-06-29 | 1974-01-24 | Bosch Gmbh Robert | CIRCUIT ARRANGEMENT FOR CHECKING THE FUNCTIONAL SAFETY OF AN ANTI-LOCK CONTROL SYSTEM |
GB1439928A (en) * | 1972-07-14 | 1976-06-16 | Lucas Electrical Ltd | Road vehicle anti-skid braking systems |
GB1439930A (en) * | 1972-07-14 | 1976-06-16 | Lucas Electrical Ltd | Road vehicle anti-skid braking systems |
GB1439927A (en) * | 1972-07-14 | 1976-06-16 | Lucas Electrical Ltd | Road vehicle anti-skid braking systems |
DE2253867C3 (en) * | 1972-11-03 | 1981-04-16 | Robert Bosch Gmbh, 7000 Stuttgart | Monitoring circuit for anti-lock control systems |
DE2557358A1 (en) * | 1975-12-19 | 1977-06-30 | Bosch Gmbh Robert | SWITCHING ARRANGEMENT FOR THE MONITORING OF CERTAIN FUNCTIONS OF AN ANTIBLOCK CONTROL DEVICE |
DE2612461A1 (en) * | 1976-03-24 | 1977-10-13 | Bosch Gmbh Robert | TEST DEVICE FOR AN ANTI-LOCK CONTROL SYSTEM |
DE2631569C2 (en) * | 1976-07-14 | 1984-11-08 | Wabco Westinghouse Fahrzeugbremsen GmbH, 3000 Hannover | Circuit arrangement for checking the functionality of parts of an anti-lock vehicle brake system |
DE2646061C2 (en) * | 1976-10-13 | 1984-12-20 | Wabco Westinghouse Fahrzeugbremsen GmbH, 3000 Hannover | Arrangement for testing the function of an anti-lock vehicle brake system |
DE2658553A1 (en) * | 1976-12-23 | 1978-06-29 | Knorr Bremse Gmbh | ANTI-BLOCK PROTECTION DEVICE FOR VEHICLES, IN PARTICULAR RAIL VEHICLES |
DE2701159C3 (en) * | 1977-01-13 | 1985-03-21 | Wabco Westinghouse Fahrzeugbremsen GmbH, 3000 Hannover | Circuit arrangement for periodically checking the functionality of parts of an anti-lock pressure medium-operated vehicle brake system |
DE2722435C3 (en) * | 1977-05-18 | 1984-02-23 | Wabco Westinghouse Fahrzeugbremsen GmbH, 3000 Hannover | Safety circuit for anti-lock and load-dependent vehicle brake systems |
US4270809A (en) * | 1978-05-12 | 1981-06-02 | Honda Giken Kogyo Kabushiki Kaisha | Device for diagnosing trouble in a control circuit for electromagnetic actuators |
DE2841211C2 (en) * | 1978-09-22 | 1986-12-11 | Robert Bosch Gmbh, 7000 Stuttgart | Test device for an anti-lock braking system and components thereof |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2762464A (en) * | 1954-01-26 | 1956-09-11 | Gen Railway Signal Co | Train speed control system |
BE654754A (en) * | 1964-10-23 | 1965-04-23 | Acec | Slip and overspeed detection device for electric locomotive |
US3275384A (en) * | 1966-01-10 | 1966-09-27 | Crane Co | Automatic brake control system |
-
1970
- 1970-06-22 FR FR7022929A patent/FR2092820B1/fr not_active Expired
-
1971
- 1971-06-18 GB GB2871571A patent/GB1344174A/en not_active Expired
- 1971-06-21 SE SE803071A patent/SE368800B/xx unknown
- 1971-06-22 ES ES392535A patent/ES392535A1/en not_active Expired
- 1971-06-22 DE DE19712130907 patent/DE2130907A1/en active Pending
Also Published As
Publication number | Publication date |
---|---|
FR2092820B1 (en) | 1973-11-16 |
ES392535A1 (en) | 1973-10-01 |
SE368800B (en) | 1974-07-22 |
FR2092820A1 (en) | 1972-01-28 |
DE2130907A1 (en) | 1971-12-30 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PS | Patent sealed | ||
PE20 | Patent expired after termination of 20 years |