Pump device with pump ring having curved contact portion

Number of patents in Portfolio can not be more than 2000

United States of America

PATENT NO 10533419
APP PUB NO 20180045049A1
SERIAL NO

15557124

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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A pump device for pumping a liquid, has a hydraulics housing (12), in which a pump ring (14) with a contact surface (46), a pump ring support (16) and an eccentric (18), which can be driven by a shaft (20), are accommodated. The hydraulics housing (12) has an annular portion (22) and a first and a second lateral section (24, 26), the two lateral sections (24, 26) being arranged opposite each other. The pump ring (14) is mounted between the two lateral sections (24, 26) of the hydraulics housing (12) at least in some portions. The profile of the contact surface (46) has a contour with a curvature that changes at least in portions, and specifically in such a way that the curvature increases at least in some portions towards the ends of the contact surface (46).

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Patent Owner(s)

  • EBM-PAPST ST. GEORGEN GMBH & CO. KG

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Braxmaier, Markus Vs-Schwenningen, DE 5 3
Ghodsi-Khameneh, Hassan Offenburg, DE 15 26
Hauer, Daniel Ortenberg, DE 9 6
Herr, Juergen St. Georgen, DE 4 5
Jeuck, Marc Buehl/Baden, DE 3 3
Laufer, Wolfgang Aichhalden, DE 28 190
Staiger, Mario Scramberg-Tennenbronn, DE 5 3

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