Patent ID: 9709998
Date: 2017-07-18
CPC Classifications: G05D,Y10T

Claim:
1. A pressure regulator comprising: a housing having an upper housing portion and a lower housing portion, said lower housing portion defining an annular and U-shaped cross-section recess and an annular first shoulder spaced radially from said annular recess, said upper housing portion having a bottom surface and an annular protrusion extending from said bottom surface and an annular second shoulder spaced radially from said annular protrusion and aligned with said annular first shoulder; a diaphragm disposed between said upper housing portion and said lower housing portion and including an outer lip having a first thickness, a flexible connecting section connected to said outer lip and having a second thickness smaller than said first thickness, and an annular inner section connected to said flexible connecting section; and wherein said outer lip is rectangular in shape and has a bottom surface disposed in said annular recess and a top surface, said protrusion being pressed into said top surface so that said outer lip seals between said upper housing portion and said lower housing portion and said annular second shoulder of said upper housing portion and said annular first shoulder of said lower housing portion directly contact each other adjacent said outer lip.