1
Daniel A Merrill, Leslie C Reid: Above the motor bellows expansion member for a submersible pump. Baker Hughes Incorporated, Fellers Snider Blankenship Bailey & Tippens P C, February 8, 2005: US06851935 (10 worldwide citation)

A multi-diameter bellows is provided in a seal section of a submersible pump to assist in allowing expansion of dielectric oil within the submersible pump, to equalize the casing annulus pressure with the internal dielectric motor fluid and to isolate the well fluid from the clean dielectric motor f ...


2
Daniel A Merrill, Leslie C Reid: Nested bellows expansion member for a submersible pump. Baker Hughes Incorporated, Fellers Snider Blankenship Bailey & Tippens, April 21, 2009: US07520735 (2 worldwide citation)

A multi-diameter bellows for use in a seal section of a submersible pump. The bellows is adapted to surround a shaft that communicates the motor with the pump. The bellows is made of a first collapsible section and a second collapsible section. The volume of the bellows is varied by moving a couplin ...


3
Daniel A Merrill, Leslie C Reid: Above the motor bellows expansion member for a submersible pump. Baker Hughes Incorporated, Fellers Snider Blankenship, Bailey & Tippens, July 29, 2004: US20040146415-A1

A multi-diameter bellows is provided in a seal section of a submersible pump to assist in allowing expansion of dielectric oil within the submersible pump, to equalize the casing annulus pressure with the internal dielectric motor fluid and to isolate the well fluid from the clean dielectric motor f ...


4
Daniel A Merrill, Leslie C Reid: Nested bellows expansion member for a submersible pump. Baker Hughes Incorporated, Fellers Snider Blankenship, Bailey & Tippens, January 13, 2005: US20050008514-A1

A multi-diameter bellows for use in a seal section of a submersible pump. The bellows is adapted to surround a shaft that communicates the motor with the pump. The bellows is made of a first collapsible section and a second collapsible section. The volume of the bellows is varied by moving a couplin ...



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