专利名称：Pneumatic-hydraulic force intensifier发明人：BERRIDI DE QUEVEDO, JAVIER,RODRIGUEZ
GRANADERO, JOSE
申请号：EP98500163.5申请日：19980714公开号：EP0972946A1公开日：20000119
专利附图：
摘要：The force multiplier utilizes separate pneumatic and hydraulic chambers toprovide motive force to a pneumatically or hydraulically activated unit. The force
multiplier comprises a principal cylinder (51) with a principal piston (9) and a rear chamber
(C8) which is coaxially extended by a cylindrical chamber (C5) through the interior of thepiston. A second transverse cylinder has a second piston (7) and a rear chamber (C3)activated by pressurized air and a front oil chamber (C4) in communication with theprincipal cylinder rear chamber. A third cylinder (53) with a rear chamber (C6) activated bypressurized air has a third piston (15) coaxial with the principal piston which is introducedby its displacement in the principal piston rear chamber. Oil seals (8,20) in combinationwith the principal piston prevent communication between the chambers of the cylinders.
申请人：FRESMAK, S.A.
地址：Araba Kalea, 45 20800 Zarautz (Guipuzcoa) ES
国籍：ES
代理机构：Urizar Barandiaran, Miguel Angel
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