Air-intake shutoff valves for engines

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 10113491
APP PUB NO 20170298842A1
SERIAL NO

15131065

Stats

ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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An actuation system for a valve is disclosed. The actuation system comprises a housing having an end wall. A first piston and a second piston is slidably positioned within the housing. The second piston is positioned between the first piston and the end wall. A piston rod is coupled to the first piston and slidably extends through the second piston and the end wall. The piston rod is configured to be coupled with the valve. A first spring is arranged between the first piston and the second piston. Further, a second spring is arranged between the second piston and the end wall. The first spring and the second spring are configured to bias the valve to a closed position.

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First Claim

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Patent Owner(s)

  • CATERPILLAR INC.

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Brown, Ryan M Lafayette, US 4 37
Chandler, Lawrence Peterborough, GB 2 3
Marshall, Stephen J Peterborough, GB 3 35
Quinn, Cormac Peterborough, GB 1 3
Stabnik, Joseph J Rensselaer, US 1 3
Trimm, Malcolm Peterborough, GB 1 3

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