Valve plate with a recessed valve assembly
AssigneeThomas Industries, Inc.
InventorShawn A. Leu
Life of this patent
Estimating the term…
Abstract
A valve plate assembly includes a flapper valve and restraint in recessed intake and outlet ports of a valve plate. The recessed ports have guides located therein corresponding to notched sections of the flapper valve and the restraint such that a foolproof method of assembly can be achieved. In addition, a screw clearance in the top of the piston is not required since the recessed portion allows for the screw to be at or below the surface of the valve plate.
Claims13
A flapper valve assembly for intake and outlet holes to a chamber of a compressor, said valve assembly comprising:
- a valve plate forming a wall of said chamber and having said intake and outlet holes therethrough, said valve plate having a plurality of recessed portions with a plurality of guides at fixed locations and an aperture wherein at least one recessed portion is on an interior wall facing said chamber and another of said plurality of recessed portions is on an external wall facing away from said chamber;
- a plurality of resilient members wherein a single member overlays each of said plurality of guided recessed portions, each of said plurality of members having an aperture aligned with said aperture of said valve plate and notched sections corresponding to said fixed locations of said plurality of guides;
- a plurality of restraints overlying each of said plurality of resilient members, each of said restraints having a recessed aperture corresponding to said aperture of each of said resilient members wherein each of said restraints further include notched sections corresponding to said fixed locations of said plurality of guides;
- and
- a fastener having a head extending through said aligned apertures.
A method of assembling a flapper valve assembly for intake and outlet holes to a chamber of a compressor comprising the steps of:
- providing a valve plate with a plurality of recesses, a plurality of guides at fixed locations, and an aperture;
- inserting a resilient member overlying each of said plurality of guided recesses, said resilient member having notched sections corresponding to said fixed locations of said plurality of guides and an aperture aligned with said aperture of said valve plate;
- inserting a restraint overlying each resilient member, said restraint having notched sections corresponding to said fixed locations of said plurality of guides and an aperture aligned with said aperture of said valve plate;
- and
- extending a fastener having a head through each of said aligned apertures.
A flapper valve assembly comprising:
- a valve plate having at least one recessed portion with a plurality of non-aligned guides within opposite sidewalls of each of said at least one recessed portion;
- a resilient member substantially covering each of said at least one recessed portion and having a plurality of notched sections corresponding to said plurality of guides for slidably inserting onto said plurality of guides;
- and
- a restraint having a plurality of notched sections corresponding to said plurality of guides wherein said restraint overlays said member.
Dependencies are inferred from the claim text.