Oil draining valve for a compressed air container

Claim 1

A liquid draining valve for a container intermittently receiving a compressed gas comprising, in combination: a. a valve body having two end walls spacedly opposite in a predetermined direction and a side wall connecting said end walls. 1. said walls jointly bouding a cavity in said body; b. a tubular valve seat member projecting from one of said end walls into said cavity in said direction, 1. said one wall being formed with an opening therethrough communicating with the bore of said member, 2. an annular face of said member opposite the other end wall constituting a valve seat; c. a valve plate member engaging said side wall and dividing said cavity into two compartments respectively adjacent said end walls, 1. said valve body being formed with an aperture communicating with the compartment adjacent said other end wall in all positions of said plate member, 2. said plate member being movable toward and away from sealing engagement with said valve seat and defining conduit means connecting said compartments; d. abutment means limiting movement of said plate member away from said valve seat to a position in which said plate member defines throttling passages with said seat member and said other end wall, said passages and said conduit means connecting said opening and said aperture for sequential flow of fluid through said passages and said conduit means between said opening and said aperture; and e. yieldably resilient means biasing said plate member toward said position and away from said valve seat.