F - Mech Eng,Light,Heat,Weapons – 15 – B
Patent
F - Mech Eng,Light,Heat,Weapons
15
B
138/77
F15B 15/18 (2006.01) F01L 25/06 (2006.01) F04B 9/135 (2006.01) F04B 9/137 (2006.01)
Patent
CA 1140836
PNEUMOHYDRAULIC PUMPING STATION Abstract of the Disclosure The herein-proposed pneumohydraulic pumping station comprises two-position three-way control directional valves featuring two-end differential air piloting and adapted to shfit two-position power directional valves which are intended to control the travel of the sliding member of one of the intensifiers in accordance with the travel of the sliding member of the other intensifier 1. One control chamber of each of the control directional valves is periodically communicated with the source (B) of compressed gas or with the atmosphere through the air chamber of the respective pneumohydraulic inten- sifier . The inlet of each of the control directional valves is communicated with the source (B) of compressed gas, whereas the outlet of one of the control directional valves adapted to shift the power directional valve of one of the intensifiers is so connected to the control chamber of the power directional valve of the other intensifier as to al- ternately communicate the control chamber of the power directional valve of the other intensifier with the source (B) of compressed gas and with the atmosphere. The pumping station incorporates also air-flow dividing valves one for each of the control directional valves , The outlet of each of the air-flow dividing valves is connected to the other control chamber of the control directional valve so as to switch over the inlet and the outlet thereof depending upon whether a pressure is effective in the air chambers of the respective intensifier . Fig. 1.
357822
Beregovoi Ivan Z.
Dorofeev Alexandr G.
Godin Eduard M.
Kebets Leonid N.
Korf Yakov O.
Moskovsky Aviatsionny Institut Imeni Sergo Ordzhonikidze
Swabey Ogilvy Renault
Volzhskoe Obiedinenie Po Proizvodstvu Legkovykh Avtomobilei
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