Seal for a joint or juncture – Seal between relatively movable parts – Relatively rotatable radially extending sealing face member
Patent
1988-02-01
1989-03-28
Hornsby, Harvey C.
Seal for a joint or juncture
Seal between relatively movable parts
Relatively rotatable radially extending sealing face member
277 82, 277DIG10, 415170R, 415174, F04D 2910
Patent
active
048157473
ABSTRACT:
A seal cartridge for providing a fluid seal between a rotating shaft and a housing such as found in a centrifugal pump. The seal cartridge includes rotating and non-rotating seal portions which prior to installation are maintained in alignment and carried by a tubular or sleeve-like support member so that the cartridge forms a unitary assembly. The non-rotating seal portion includes a seal ring seat that is connected to the support sleeve by a frangible element. During an installation process, after the seal ring seat reaches its installed position, the frangible element fractures and releases the non-rotating portion of seal from the support member thus enabling the rotating portion of the seal to rotate relative to the non-rotating portion. The support sleeve can be rigidly clamped to the shaft by a conventional pump impeller.
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Gerrity Stephen F.
Hornsby Harvey C.
The Gorman-Rupp Company
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