VALVE UNIT Russian patent published in 1998 - IPC

Abstract RU 2107859 C1

FIELD: pumps used for handling viscous abrasive liquids under pressure. SUBSTANCE: valve unit contains valve chest with inlet and outlet passages, guide bush pressed between valve seat and cover and spherical shut-off member. Spherical shut-off member is provided with closed cavity in form of body of revolution whose center is shifted relative to center of spherical shut-off member. Weight made in form of body of revolution is located in cavity. EFFECT: enhanced reliability. 1 dwg

Similar patents RU2107859C1

Title	Year	Author	Number
VALVE UNIT	1996	Sel'Skij Boris Evseevich	RU2113647C1
VALVE UNIT	1996	Sel'Skij B.E. Nikol'Skaja M.P. Smotrich A.A. Ljubina G.P. Smotrich S.A. Likhter E.A.	RU2110003C1
VALVE UNIT	1996	Sel'Skij B.E. Nikol'Skij V.Eh.	RU2110002C1
VALVING UNIT	0	Rozanov Aleksandr Vladimirovich Balakirskij Boris Grigorevich Gerzha Stanislav Grigorevich	SU1813952A1
VALVING UNIT	0	Rozanov Aleksandr Vladimirovich Balakirskij Boris Grigorevich Gerzha Stanislav Grigorevich	SU1813953A1
HEAT- AND MASS-TRANSFER APPARATUS	1995	Sel'Skij Boris Evseevich	RU2081659C1
DIE SET FOR MAKING PACKING MEMBERS OF HEAT MASS EXCHANGE APPARATUSES	1995	Sel'Skij B.E. Akhmetzjanov N.M. Nikol'Skaja M.P. Ljubina G.P. Likhter E.A. Smotrich A.A.	RU2085320C1
HEAT-AND-MASS TRANSFER APPARATUS	1994	Sel'Skij Boris Evseevich	RU2046626C1
CHAMBER FOR INJECTING AND RECEIVING FLOW TOOLS DURING OPERATION OF PIPE LINES	1998	Sel'Skij B.E.	RU2129922C1
HEAT-AND-MASS TRANSFER APPARATUS	1994	Sel'Skij Boris Evseevich	RU2046627C1

RU 2 107 859 C1

Authors

Sel'Skij B.E.

Nikol'Skij V.Eh.

Dates

1998-03-27—Published

1996-05-24—Filed