GB262449A - - Google Patents
Info
- Publication number
- GB262449A GB262449A GB30578/26A GB3057826A GB262449A GB 262449 A GB262449 A GB 262449A GB 30578/26 A GB30578/26 A GB 30578/26A GB 3057826 A GB3057826 A GB 3057826A GB 262449 A GB262449 A GB 262449A
- Authority
- GB
- United Kingdom
- Prior art keywords
- piston
- cylinder
- main
- pistons
- brakes
- 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
- 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
- B60T13/241—Differential pressure systems
- B60T13/242—The control valve is provided as one unit with the servomotor cylinder
- B60T13/243—Mechanical command of the control valve, mechanical transmission to the brakes
Landscapes
- Engineering & Computer Science (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Braking Arrangements (AREA)
Abstract
262,449. Bragg, C. S., and Kliesrath, V. W. May 19, 1925, [Convention date]. Fluid-pressure.-A fluid-pressure brake mechanism, as described in Specification 236,193, comprising double-acting main and auxiliary pistons in the same cylinder under the control of reversing valve mechansim in the main piston, the valve mechanism being provided with a lostmotion connection with one of the pistons to allow for direct operation of the brakes, is connected on opposite sides of its pistons with corresponding parts of a separate valveless auxiliary cylinder having one or two double-acting pistons. When the auxiliary cylinder contains a single piston, the piston may be axially connected with the main piston. The main piston 3 and auxiliary piston 3<a> contained in the cylinder 1 are connected respectively to piston rods 5, 5a extending through opposite ends of the cylinder and connected to the brakes. To apply the brakes, the reversing valve mechanism 40, contained in the main piston 3 is moved by a sleeve 20 having limited lost motion with respect to the main piston, causing exhaustion of air from between the pistons by connection with the intake manifold of the vehicle engine and admission of air to the ends of the cylinders, which are connected by a pipe 42<g>, The operation of the separate auxiliary cylinder is brought about by pipe connections. In the arrangement shown, the piston 52 of the auxiliary cylinder 51 is coaxial with the main cylinder pistons and is secured to the piston rod 5 of the main piston 3, the pipe connections being an extension of the pipe 42<g> and a pipe 42<h>. A yoke 5b connects the auxiliary piston rod 5<a> with the brakes. To release the brakes, the valve mechanism 40 is moved to admit air between the pistons of the main cylinder and to exhaust air from the ends of the cylinders. The invention is described and shown as applied to six-wheeled vehicles. Brakes for a trailer are operated by an auxiliary cylinder mounted on the trailer and connected to the main cylinder by pipes having flexible portions.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US262449TA | 1925-05-19 | 1925-05-19 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB262449A true GB262449A (en) | 1927-03-10 |
Family
ID=31945554
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB30578/26A Expired GB262449A (en) | 1925-05-19 | 1926-04-12 |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB262449A (en) |
-
1926
- 1926-04-12 GB GB30578/26A patent/GB262449A/en not_active Expired
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