Apparatus and method for controlling the maximum stroke for...

Electricity: electrical systems and devices – Control circuits for electromagnetic devices – For relays or solenoids

Reexamination Certificate

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C361S600000, C417S045000, C318S687000

Reexamination Certificate

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10155342

ABSTRACT:
An apparatus and method for controlling the maximum stroke of a linear compressor is provided. The shorting of the normal supply voltage of a compressor to ground is used to detect overstroking. A plurality of transistors are electrically coupled to the control circuit that is electrically coupled to a linear compressor. When the compressor's stroke exceeds it maximum stroke marked by the refrigerant barrel of the compressor making physical contact with the armature, a signal is received by the control circuit. The control circuit processes this signal and sequences the transistors to return the extended stroke of the compressor to its maximum stroke.

REFERENCES:
patent: 3562585 (1971-02-01), Gourdine
patent: 4067667 (1978-01-01), White
patent: 5342176 (1994-08-01), Redlich
patent: 5752811 (1998-05-01), Petro
patent: 6015270 (2000-01-01), Roth
patent: 6084320 (2000-07-01), Morita et al.
patent: 6199381 (2001-03-01), Unger et al.
patent: 6204652 (2001-03-01), Albou et al.
patent: 6289680 (2001-09-01), Oh et al.
patent: WO 00/16482 (2000-03-01), None

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