Patent ID: 9562545
Date: 2017-02-07
CPC Classifications: F15B,F16K,F16N,H01H,Y10T

Claim:
1. A pressure switch comprising: a pressure chamber and a moving disc, said moving disc being moveable in response to a pressure in said pressure chamber to cause contact between a moveable contact and a fixed contact; an orifice pack for communicating a fluid pressure into said pressure chamber, said orifice pack providing a tortuous path for a fluid flow to reach the pressure chamber; wherein said orifice pack includes at least two discs, each having at least one orifice, and a first disc of said at least two discs causing the fluid flow to flow in a counterclockwise direction and a second disc of said at least two discs causing the fluid flow to begin flowing in a clockwise direction; and there being an intermediate disc which accelerates the flow; said intermediate disc located between and substantially parallel to each of said first and second discs of said at least two discs.