Bypass and demand pump and valve system for bypass and demand pump

Number of patents in Portfolio can not be more than 2000

United States of America

PATENT NO 12241462
APP PUB NO 20250003401A1
SERIAL NO

18759318

Stats

ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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A diaphragm pump such as a three-chamber diaphragm pump includes a head having an inlet port and an outlet port and defining an inlet side including inlet chambers; and an outlet side having a center outlet chamber. Each of the inlet chambers includes an associated inlet valve. A single shutoff valve controlling fluid flow to the center outlet chamber and a single bypass valve in fluid communication between the center outlet chamber and the inlet side. The single shutoff valve has a plunger with an oval cross-section extending into the center outlet chamber. The single shutoff valve and the single bypass valve have adjustable pressure set points that are adjustable independently of one another.

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First Claim

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Patent Owner(s)

  • DELAVAN AG PUMPS, INC.

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Beaudry, David Minneapolis, US 5 4
Cipala, Logan Ellsworth, US 3 1
Johnson, Matt Champlin, US 31 256

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