Dual stage pump having intermittent mid-shift load supports

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United States of America Patent

PATENT NO 8636487
APP PUB NO 20100189582A1
SERIAL NO

12597390

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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A hydraulic pump is disclosed. The hydraulic pump may have a first fluid section (12), a second fluid section (14), and an input shaft (16) extending through the first fluid section and the second fluid section. The input shaft may have a first end (44), a second end (46), and a mid-portion (48) located between the first and second ends. The hydraulic pump may also have a first bearing (30) configured to continuously support the first end of the input shaft, and a second bearing (32) configured to continuously support the second end of the input shaft. The hydraulic pump may further have a third bearing (56) configured to intermittently support the mid-portion (58) of the input shaft.

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Patent Owner(s)

  • PERKINS ENGINES COMPANY LIMITED

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Mitchell, Scott Laurence Shropshire, GB 2 7

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