Spring return actuator for rotary valves

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 11731243
APP PUB NO 20230046920A1
SERIAL NO

17977708

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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An actuator is configured to couple with a controlled member and includes first and second pistons disposed in respective internal chambers. The first piston may be moveable between first and second positions. The second piston may be moveable between third and fourth positions. The second piston may be configured not to engage the first piston when the second piston is disposed at the third position. The second piston may be configured to move the first piston to the second position as the second piston moves from the third position to the fourth position. A resilient member may be disposed to resiliently urge the second piston toward the fourth position.

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First Claim

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Patent Owner(s)

Patent OwnerAddress
COLD JET LLC455 WARDS CORNER ROAD LOVELAND OH 45140

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Broecker, Richard Joseph Milford, US 7 25
Mallaley, Daniel Cincinnati, US 12 71

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