Q.e.d. Environmental Systems, Inc.

Richard D Johnson

Kevin L Newcomer

Robert M Bultman

A counter apparatus for counting the cycling of fluid flow in an automatic pneumatic pump. A magnet inside the pump repetitively moves along a fixed path in response to the pump cycling. A magnetic sensor for detecting magnetic flux is mounted on the pump. The sensor transmits an electrical signal to a counter in response to detecting the magnet at a certain location. When the magnet leaves this location the sensor stops transmitting the signal. Since the magnet is only at any location along the path only once during a complete pump cycle, the transmitted signal represents a pump cycle which is then counted by the counter.

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Pinckney, MI, United States of America

Richard D Johnson