GB646825A - Improvements relating to fluid pressure transmission systems - Google Patents
Improvements relating to fluid pressure transmission systemsInfo
- Publication number
- GB646825A GB646825A GB34743/47A GB3474347A GB646825A GB 646825 A GB646825 A GB 646825A GB 34743/47 A GB34743/47 A GB 34743/47A GB 3474347 A GB3474347 A GB 3474347A GB 646825 A GB646825 A GB 646825A
- Authority
- GB
- United Kingdom
- Prior art keywords
- piston
- fluid
- pressure
- valve piston
- valve
- 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
-
- 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
- F16D65/00—Parts or details
- F16D65/14—Actuating mechanisms for brakes; Means for initiating operation at a predetermined position
- F16D65/16—Actuating mechanisms for brakes; Means for initiating operation at a predetermined position arranged in or on the brake
- F16D65/22—Actuating mechanisms for brakes; Means for initiating operation at a predetermined position arranged in or on the brake adapted for pressing members apart, e.g. for drum brakes
Abstract
646,825. Fluid-pressure brakes. FIAT SOC. PER AZIONI, and BALDWIN, P. S. Dec. 30, 1947, No. 34743. Convention date, Oct. 21, 1943. Addition to 646,824. [Class 103 (i)] [Also in Group XXIX] A fluid-pressure actuator has a conventional piston 21 and a compound piston as in the parent Specification but is characterized in that the valve for controlling the supply of pressure fluid is wholly enclosed within the cylinder. Pressure-fluid is admitted to the cylinder 1 via the inlet connection 3 and passes through conduit 29a to the interior of the expansible element 16 and also past the grooves in the valve piston 11 and the aperture 14 in the metal stop washer 13 into the space behind the conventional piston 21. When the pressure exceeds a predetermined value, the force acting on the front face of valve piston 18 overcomes spring 19 and the valve piston 18 moves to the right, followed by the push-rod 15 and the valve piston 11, which then seats on the sealing ring 10 to trap the liquid behind the piston 21. Fluid is then directed solely to the interior of the expansible element 16 which then exerts an axial force on the part 20 due to the tendency of the arcuate springs 17 to straighten. When the fluid pressure in the inlet drops below the predetermined value the spring 19 will move the valve piston 18 to the left, thereby unseating the valve piston 11 through the action of the push-rod 15 and the fluid behind the piston 21 is released.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IT646825X | 1943-10-21 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB646825A true GB646825A (en) | 1950-11-29 |
Family
ID=11297039
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB34743/47A Expired GB646825A (en) | 1943-10-21 | 1947-12-30 | Improvements relating to fluid pressure transmission systems |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB646825A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112403031A (en) * | 2020-12-21 | 2021-02-26 | 广东青云山药业有限公司 | Extraction device and extraction method of medical theaflavin |
-
1947
- 1947-12-30 GB GB34743/47A patent/GB646825A/en not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112403031A (en) * | 2020-12-21 | 2021-02-26 | 广东青云山药业有限公司 | Extraction device and extraction method of medical theaflavin |
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