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US 5,346,363 AGranted
Liner for a water jet propulsion pump
AssigneeOutboard Jet - Trutol Bearings, Inc.
InventorsRichard C. Stallman, William T. Stallman
Life of this patent
Estimating the term…
Abstract
A liner of the intake casing for a water jet propulsion pump wherein the liner is made of a resilient material and is disposed internally of said casing surrounding the water impeller and is clamped in position by the pump assembly.
Claims2
An improved liner for a water jet propulsion pump called a jet drive having a pump volute with an intake casing removably secured thereto and a water impeller disposed in said casing, said impeller having blades with peripheral ends disposed proximate to the internal wall of said casing and which sweep a truncated cone-shaped volume, said liner comprising
- a resilient hollow truncated inverted cone-shaped sleeve disposed between said impeller blade peripheral ends and the internal wall of said intake casing, the outer surface of said liner shaped to conform to said internal wall of said casing, the internal surface of said liner shaped to mate in close surrounding spaced relation to said impeller blade peripheral ends, and
- an integral flange extending from the external surface of said liner and formed for being sandwiched between said pump volute and said intake casing.
Dependencies are inferred from the claim text.