Process fluid lubricated pump and pumping system

Number of patents in Portfolio can not be more than 2000

United States of America

PATENT NO 12006946
SERIAL NO

17454072

Stats

ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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A process fluid lubricated pump includes a housing with an inlet to receive the fluid, and an outlet to discharge the fluid, a shaft extending from a drive end to a non-drive end and rotatable about an axial direction, the drive end of the shaft arranged outside the housing, a hydraulic unit including impellers mounted on the shaft, a collection chamber to collect leaking process fluid, the collection chamber comprising an exit, through which the shaft passes, and an exit to discharge the process fluid, and a throttle device arranged between the hydraulic unit and the collection chamber, the throttle device comprising a stationary throttle part having first and second axial faces delimiting the stationary throttle part, the first axial face facing the collection chamber, and the throttle device including a throttle gap surrounding the shaft and extending from the first axial face to the second axial face.

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First Claim

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Patent Owner(s)

Patent OwnerAddress
SULZER MANAGEMENT AGNEUWIESENSTRASSE 15 WINTERTHUR 8401

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
De, Raeve Karel Winterthur, CH 14 19
Welschinger, Thomas Radolfzell, DE 27 50

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