Pneumatic landfill pump cycle counter

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 11448238
APP PUB NO 20200263706A1
SERIAL NO

16869756

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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Various embodiments concern a pneumatic landfill pump cycle counter comprising a spring located within a housing passage and a shuttle comprising a shuttle magnet, the shuttle located within the passage. The shuttle can be configured to move axially by the spring within the passage in an upstream direction to a home position, move axially by one or both of air pressure differential and airflow within the passage in a downstream direction away from the home position to a hold position. The cycle counter can further comprise a counter comprising an element responsive to a magnetic field of the shuttle magnet, the counter configured to increment a numeric count for each complete cycle of the shuttle moving from the home position to the hold position and then back to the home position.

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First Claim

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Patent Owner(s)

Patent OwnerAddress
Q E D ENVIRONMENTAL SYSTEMS INC2355 BISHOP CIRCLE WEST DEXTER MI 48130

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Allen,, III William C Dexter, US 5 6
Fischer, David A Ann Arbor, US 23 723
McKeown, Matthew T Fowlerville, US 2 6
Schaupp, John F Sylvania, US 29 239
Stevens-Moman, Leonard Felton Dexter, US 3 6
Weinberger, Mark T Mounds View, US 70 433
Wells, Steven R Howell, US 6 42

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