发明名称 |
Manually operated control valve and testing apparatus incorporating such valve |
摘要 |
Disclosed herein is a manually operated control valve wherein a pressure regulating valve and exhaust valve are contained in the same housing with intercommunicating passages, both valves having actuating plungers which are operated by a single manual operating means, such as a lever. The invention includes apparatus for testing vehicle pneumatic braking systems wherein the manually operated control valve is used in conjunction with a pressure gauge to test the system by controlling the supply and exhaust of air to and from the vehicle braking system and observing accompanying variations in pressure.
|
申请公布号 |
US4050298(A) |
申请公布日期 |
1977.09.27 |
申请号 |
US19760684823 |
申请日期 |
1976.05.10 |
申请人 |
HOPE TECHNICAL DEVELOPMENTS LIMITED |
发明人 |
HOPE, FREDERICK JOHN CHARLES;PIGNEY, JAMES MALCOLM |
分类号 |
G01M3/26;(IPC1-7):G01L5/28 |
主分类号 |
G01M3/26 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|