Reciprocating pump
 A communication path (32) for communicating a hermetically closed space (S) with an inlet port (20) is formed within a casing (1). An oil reservoir (30) having an inside capacity much greater than an inside capacity of the communication path (32) is formed in an intermediate part of the communication path (32). 
Zexel Corporation
F F
F04B F04B
inventional inventional
Nobuo Akinao Etsuro Hideya
Aoki Minegishi Hozumi Kikuchi