Sterilizable pump unit

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 10240596
APP PUB NO 20150272605A1
SERIAL NO

14667199

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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The pump unit (10) has a particularly simple design, which includes just two housing parts (14, 15) and also four valve closure members (37) and pump pistons (25, 29). The valve closure members (37) are preferably identical to one another and are trapped in a pocket between both housing parts (14, 15). The housing parts (14, 15) are preferably permanently interconnected by an ultrasonic weld seam. The valve closure members are formed by disc-like or plate-like plastic parts, which are resilient per se and which may optionally have a central pin (42) as an assembly and orientation aid. As desired, the valve closure members bear against their respective valve seat (43) with or without bias and form valves which open and close particularly reliably, are responsive to the slowest flow velocities and can be easily sterilized.

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First Claim

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Patent Owner(s)

Patent OwnerAddress
ERBE ELEKTROMEDIZIN GMBH72072 TÜBINGEN

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Wandel, Waldemar Kusterdingen, DE 4 2

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