Monitor to check the path of motion of reciprocating piston

Details Monitor to check the path of motion of reciprocating piston Monitor to check the path of motion of reciprocating piston

2006-03-07

2006-03-07

Noland, Thomas P. (Department: 2856)

Measuring and testing

Testing of apparatus

C073S007000, C092S00500L, C324S207240, C324S207260

Reexamination Certificate

active

07007563

ABSTRACT:
A stationary arranged sensor (4) is provided in the region of one of the dead centers of the piston movement to monitor the position of the path of motion of a piston (1) relative to a cylinder (2) whereby the sensor (4) measures the lateral distance (a) to an indicator unit (6) arranged on the piston (1). The sensor (4) is arranged in a recessed position relative to the inner surface of the cylinder (2) and is sealed toward the cylinder chamber (9) by means of a cover (8), and the indicator unit (6) on the piston (1) is designed as an anomaly (10) that is non-sensitive to contaminating deposits in the area of the face (11) of the piston (1).

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