ES237746A3 - A control valve device for a tractor and trailer brake system (Machine-translation by Google Translate, not legally binding)
- Google Patents
A control valve device for a tractor and trailer brake system (Machine-translation by Google Translate, not legally binding)
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.)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Wabco Automotive UK Ltd
Original Assignee
Clayton Dewandre Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Clayton Dewandre Co LtdfiledCriticalClayton Dewandre Co Ltd
Priority to ES0237746ApriorityCriticalpatent/ES237746A3/en
Publication of ES237746A3publicationCriticalpatent/ES237746A3/en
Valves And Accessory Devices For Braking Systems
(AREA)
Regulating Braking Force
(AREA)
Hydraulic Control Valves For Brake Systems
(AREA)
Abstract
A control valve device for a tractor and trailer braking system, characterized by two valve elements, the first of which is controlled by a first device corresponding to the pressure, which can be operated by air pressure above one degree predetermined pair to keep open said first valve element and thereby allow air to pass through a pipe to the trailer and the second valve element being controlled by a second device corresponding to the pressure that can be actuated by the air pressure existing in said trailer pipe to keep open the second valve element and thus allow compressed air to pass to the trailer through a second pipe being the fall of air pressure caused by the coupling breakage of a trailer cause these devices to close the elements of valves and with it the braking system of the tractor. (Machine-translation by Google Translate, not legally binding)
ES0237746A1957-09-241957-09-24A control valve device for a tractor and trailer brake system (Machine-translation by Google Translate, not legally binding)
ExpiredES237746A3
(en)
Device for actuating a hydraulic or pneumatic mechanism from two different points of command. (Machine-translation by Google Translate, not legally binding)
Improvements in triple pressure control valves, especially for pressure air brakes of railway vehicles (Machine-translation by Google Translate, not legally binding)
Improvements in accelerator devices for three-way pressure graduation valves, for compressed air brakes installations, especially applicable to vehicles on rails (Machine-translation by Google Translate, not legally binding)
A remote control system in the valves with membrane closure or other, by variations of pressure of liquids or gases (Machine-translation by Google Translate, not legally binding)