Pressure switch

Details Pressure switch Pressure switch

2007-03-06

2007-03-06

Lee, K. (Department: 2832)

Electricity: circuit makers and breakers

Fluid pressure

Flow-responsive type

C200S0830SA

Reexamination Certificate

active

11336451

ABSTRACT:
An indication displayed by a display unit included in a pressure switch is inverted and the respective setting functions of push-button switches are reversed when the operator is obliged to look at the display unit from a direction opposite a normal looking direction or when the pressure switch is installed in an inverted position. A mode setting push-button switch113is operated to turn the indication indicating a set pressure displayed by a display unit116through an angle of 180°, a function to increase the set pressure of a first push-button switch111is reversed and a function to decrease the set pressure of the second push-button switch112is reversed.

REFERENCES:
patent: 5181522 (1993-01-01), McEwen
patent: 5519179 (1996-05-01), Sato
patent: 5549785 (1996-08-01), Sakai et al.
patent: 5986224 (1999-11-01), Kent
patent: 6525997 (2003-02-01), Narayanaswami et al.
patent: 2002/0075513 (2002-06-01), Yogome et al.
patent: 2003/0064758 (2003-04-01), Mizuta et al.
patent: 2004/0204059 (2004-10-01), Wong et al.
patent: 2005/0090288 (2005-04-01), Stohr et al.
patent: 2000-173377 (2000-06-01), None

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