EP 0528714 B1 19960228 - Gas booster
Title (en)
Gas booster
Title (de)
Pneumatischer Druckverstärker
Title (fr)
Amplificateur de pression pneumatique
Publication
Application
Priority
JP 22485791 A 19910809
Abstract (en)
[origin: EP0528714A1] A first cylinder bore (7) for accommodating a first piston (8), a plunger bore (20) for accommodating a plunger (21), and a second cylinder bore (57) for accommodating a second piston (58) are provided in this order from above. The plunger (21) is fixed to the first piston (8). A cushion chamber (61), provided below the second piston (58), and an outlet (25b) of a second check valve (25) for gas discharge are connected to each other via a communicating passage (62). The second piston (58) is prevented from moving upward in excess of a set extent by a stopper (64) provided in the peripheral wall of the second cylinder bore (57). <IMAGE>
IPC 1-7
IPC 8 full level
F04B 5/00 (2006.01); F01B 11/02 (2006.01); F01L 25/06 (2006.01); F04B 5/02 (2006.01); F04B 9/08 (2006.01); F04B 9/127 (2006.01); F04B 49/16 (2006.01)
CPC (source: EP)
F01B 11/02 (2013.01); F01L 25/066 (2013.01); F04B 9/127 (2013.01); F04B 49/16 (2013.01)
Designated contracting state (EPC)
DE FR GB IT
DOCDB simple family (publication)
EP 0528714 A1 19930224; EP 0528714 B1 19960228; DE 69208563 D1 19960404; DE 69208563 T2 19960829; JP 2946005 B2 19990906; JP H0544632 A 19930223
DOCDB simple family (application)
EP 92402220 A 19920803; DE 69208563 T 19920803; JP 22485791 A 19910809