SEAL FOR A CENTRIFUGAL PUMP
First Claim
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1. A seal for a centrifugal pump having a stationary pump casing, a stationary plate and an axially adjustable side liner, the seal comprising:
- a base having an inner surface and an outer surface;
a band portion extending from said base; and
a retainer member extending from said band portion and spaced apart from said base and oriented for positioning against a groove formed in said axially adjustable side plate liner of said centrifugal pump.
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Accused Products
Abstract
A seal for use in a centrifugal pump, the pump having a stationary pump casing, a stationary plate and an axially adjustable side liner, is disclosed. The seal includes a base having an inner surface and an outer surface. A band portion extends from the base and a retainer member extends from the band portion. The retainer member is spaced apart from the base and oriented for positioning against a groove formed in the axially adjustable side plate liner of the centrifugal pump.
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Citations
33 Claims
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1. A seal for a centrifugal pump having a stationary pump casing, a stationary plate and an axially adjustable side liner, the seal comprising:
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a base having an inner surface and an outer surface; a band portion extending from said base; and a retainer member extending from said band portion and spaced apart from said base and oriented for positioning against a groove formed in said axially adjustable side plate liner of said centrifugal pump. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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10. A centrifugal pump comprising:
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a volute casing; a suction plate attached to said volute casing and being configured with a suction inlet; a frame plate attached to said volute casing and positioned parallel to and spaced apart from said suction plate; an axially adjustable suction plate liner positioned adjacent to and adjustably attached to said suction plate; an axially adjustable frame plate liner positioned adjacent to and adjustably attached to said frame plate; and at least one seal positioned between said suction plate or said frame plate and said volute casing, and between said volute casing and said axially adjustable suction plate liner or said axially adjustable frame plate liner, said at least one seal having a base positioned against one of either said suction plate or said frame plate, and said at least one seal having a band portion extending from said base, said band portion having a retainer member spaced apart from said base, and said band portion being positioned in either a groove in said axially adjustable suction plate liner or a groove in said axially adjustable frame plate liner. - View Dependent Claims (11, 12, 13, 14, 15, 16)
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17. A method of assembling a centrifugal pump having a volute casing, a stationary plate, an axially adjustable plate liner and a seal, said seal having a base, a band portion extending from said base, and a retainer member extending from said band portion, the method comprising the following steps:
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positioning said retainer member into a groove formed in said axially adjustable plate liner; positioning said band portion between said volute casing and said axially adjustable plate liner; positioning said stationary plate against said base whereby said base is disposed between said stationary plate and at least said volute casing; and securing said stationary plate to said volute casing and said axially adjustable plate liner. - View Dependent Claims (18)
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- 19. A method of adjusting an axially adjustable side plate liner used in a centrifugal pump, said pump having a seal, a volute casing, a stationary plate and said axially adjustable side plate liner, said seal having a base, a band portion extending from said base and a retainer member extending from said band portion spaced apart from said base, said retainer member disposed in a groove formed in said axially adjustable side plate liner, said band portion disposed between said volute casing and said axially adjustable side plate liner, and said base disposed between said stationary plate and at least said volute casing, the method comprises engaging a driving member to move said axially adjustable side plate liner in an axial direction relative to said stationary plate while said stationary plate maintain a fixed position.
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24. A volute casing for use in a centrifugal pump, the centrifugal pump having a stationary plate, an axially adjustable side liner and a seal having a lip, the volute casing comprising:
a groove for receiving the lip of the seal therein when the volute casing is oriented toward the stationary plate and the seal is positioned between the volute casing and the stationary plate. - View Dependent Claims (25, 26)
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27. An axially adjustable side liner for use in a centrifugal pump, the centrifugal pump having a stationary plate, a volute casing and a seal having a retainer member, the axially adjustable side liner comprising:
a groove for receiving the retainer member therein when the axially adjustable side liner is positioned adjacent the volute casing and the seal is disposed between the axially adjustable side liner and the volute casing. - View Dependent Claims (28, 29, 30, 31, 32, 33)
Specification