Sanitary design gear pump

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 6808374
APP PUB NO 20020159906A1
SERIAL NO

10040271

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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A sanitary pump with gear shaft bearing blocks in opposed cylindrical portions of a pump body bore, blocks constituting hand removable structural pump ends. Gear shaft bearings extending completely through blocks for easy cleaning, sealed by O-rings and clamp plates. Oval gear cavity bore between cylindrical portions of body bore extends only length of largest of interchangeable gears. Seals at end of gear cavity eliminate entrapment zones. Minimal intrusion of bearing blocks into gear cavity allows large operating temperature range. Shaft seals are contained in a hand removable cartridge. Complete pump disassembly by one manually operated clamp. Gear shaft diameters differ assuring correct assembly. Mount receives pump, tie rods sealing pump and securing to mount. Mount allows pump removal without changing pump-drive alignment. Pin and groove engagement of pump to mount allows 90.degree. interval pump ports orientation. Pump displacement is altered with interchangeable gears and drive end bearing blocks.

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First Claim

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Family

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Patent Owner(s)

  • HYPRO CORPORATION;ODEN MACHINERY, INC.;HYPSO CORPORATION

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Amyotte, Frank L St. Paul, MN 2 19
Jezuit, Jr Richard J Lancaster, NY 4 217
Maki, Bruce A Hugo, MN 12 93
Messing, David C North Tonawanda, NY 2 75
Phallen, Iver J Youngstown, NY 16 739
Tufte, Gregory N Maple Grove, MN 1 13

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