GB1243096A - Improvements in and relating to a brake efficiency indicator in vehicles - Google Patents
Improvements in and relating to a brake efficiency indicator in vehiclesInfo
- Publication number
- GB1243096A GB1243096A GB1185269A GB1185269A GB1243096A GB 1243096 A GB1243096 A GB 1243096A GB 1185269 A GB1185269 A GB 1185269A GB 1185269 A GB1185269 A GB 1185269A GB 1243096 A GB1243096 A GB 1243096A
- Authority
- GB
- United Kingdom
- Prior art keywords
- vehicle
- brake efficiency
- tubes
- switches
- lamps
- 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
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
- G01P15/00—Measuring acceleration; Measuring deceleration; Measuring shock, i.e. sudden change of acceleration
- G01P15/02—Measuring acceleration; Measuring deceleration; Measuring shock, i.e. sudden change of acceleration by making use of inertia forces using solid seismic masses
- G01P15/08—Measuring acceleration; Measuring deceleration; Measuring shock, i.e. sudden change of acceleration by making use of inertia forces using solid seismic masses with conversion into electric or magnetic values
- G01P15/135—Measuring acceleration; Measuring deceleration; Measuring shock, i.e. sudden change of acceleration by making use of inertia forces using solid seismic masses with conversion into electric or magnetic values by making use of contacts which are actuated by a movable inertial mass
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Lighting Device Outwards From Vehicle And Optical Signal (AREA)
Abstract
1,243,096. Inertia switches; partly electromagnetic. COAST LINES Ltd. 6 March, 1970 [6 March, 1969], No. 11862/69. Heading H1N. [Also in Division G1] A brake efficiency indicator 10 on a vehicle has at least its indicating parts 12, 14 and 16 incorporated in another instrument adapted for mounting in the vehicle dashboard or instrument panel. As shown three tubes 22, 24, 26 each containing a metal ball 38 are pivoted independently at 28 with rest positions determined by fixed collars of different diameters on a stop rod 30 so that they respond at different predetermined decelerations to actuate switches in the circuits of three lamps 12, 14, 16. When a two-way switch 18 is moved to its "reset" position a solenoid 51 receives current from the vehicle battery and lifts the tubes to their rest positions. Then when switch 18 is moved to its "test" position the lamp circuits are prepared and upon application of the brakes deceleration of the vehicle causes the balls 38 to roll up the inclined tubes. Those that rock to close their associated switches are indicated by the lamps which signify which predetermined decelerations are reached and hence the brake efficiency. The sensing mechanism 10 may be built into the composite instrument or mounted in a remote part of the vehicle. The visual indication may be supplemented or replaced by aural signals which may vary in pitch. A permanent record of brake efficiency may also be made by a tape or a chart recorder.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB1185269A GB1243096A (en) | 1969-03-06 | 1969-03-06 | Improvements in and relating to a brake efficiency indicator in vehicles |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB1185269A GB1243096A (en) | 1969-03-06 | 1969-03-06 | Improvements in and relating to a brake efficiency indicator in vehicles |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1243096A true GB1243096A (en) | 1971-08-18 |
Family
ID=9993884
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB1185269A Expired GB1243096A (en) | 1969-03-06 | 1969-03-06 | Improvements in and relating to a brake efficiency indicator in vehicles |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB1243096A (en) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2433214A1 (en) * | 1978-08-10 | 1980-03-07 | Vdo Schindling | DEVICE FOR DISPLAYING THE MOVEMENT SPEED OF A VEHICLE |
GB2229532A (en) * | 1989-03-21 | 1990-09-26 | Dawood Yusuf Parpia | Vehicle deceleration indicator system |
GB2231664A (en) * | 1989-05-12 | 1990-11-21 | Sharon Dr Dan | An accelerometric device in a moving vehicle |
GB2258531A (en) * | 1991-08-02 | 1993-02-10 | Steven John Dickinson | Deceleration indicator |
-
1969
- 1969-03-06 GB GB1185269A patent/GB1243096A/en not_active Expired
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2433214A1 (en) * | 1978-08-10 | 1980-03-07 | Vdo Schindling | DEVICE FOR DISPLAYING THE MOVEMENT SPEED OF A VEHICLE |
GB2229532A (en) * | 1989-03-21 | 1990-09-26 | Dawood Yusuf Parpia | Vehicle deceleration indicator system |
GB2229532B (en) * | 1989-03-21 | 1993-08-18 | Dawood Yusuf Parpia | Vehicle deceleration indication system |
GB2231664A (en) * | 1989-05-12 | 1990-11-21 | Sharon Dr Dan | An accelerometric device in a moving vehicle |
GB2258531A (en) * | 1991-08-02 | 1993-02-10 | Steven John Dickinson | Deceleration indicator |
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