Oil box device of a roots vacuum pump with a crossed cooling water tube set

Number of patents in Portfolio can not be more than 2000

United States of America

PATENT NO 12018681
SERIAL NO

18197743

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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An oil box device of a roots vacuum pump with a crossed cooling water tube set includes an oil box; two root vacuum pump transfer gears placed within the oil box; each gear being axially connected to a respective one of shafts of rotors of a roots vacuum pump; one shaft of the rotors being driven by another one shaft of the rotors; a multiple channel crossed cooling water tube set enclosing the two roots vacuum pump gears; two distal ends of the water tube set being crossed over one another; two water boxes installed at two ends of the water tube set; after assembly, the water tube set enclosing the two gears and two ends of the water tube set being crossed over each other at a lateral side of the two gears; and two joints being installed at a bottom side of the rear cover.

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Patent Owner(s)

Patent OwnerAddress
ELIVAC CO LTD1F BUILDING 4 NO 1680 SHENGLI ROAD QINGPU DISTRICT SHANGHAI SHANGHAI
ELIVAC INC27558 HARNESS LANE SALISBURY MD21801 USA (27558 SALISBURY
SHAW RAYMOND ZRM301 BLD 39 418 JINXIU DONG RD PUDONG DISTRICT SHANGHAI PR CHINA SHANGHAI

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Shaw, Raymond Zhou Shanghai, CN 13 7
Zhang, Guichun Shanghai, CN 5 0

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