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US 12,492,687 B2Granted
Insert and method for manufacturing fluid pump
AssigneeCaterpillar Inc.
InventorsRon L. Sale, Curtis J. Graham, Luis A. Vazquez
Life of this patent
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Abstract
A cylinder block for a fluid pump includes a cylindrical body having a hub bore and a plurality of cylinder bores arranged about the hub bore, a hub insert disposed in the hub bore, and an anti-rotation body configured to prevent rotation of the hub insert relative to the cylindrical body. The cylindrical body and the hub insert together define a channel in which the anti-rotation body is inserted.
Claims15
A cylinder block for a fluid pump, the cylinder block comprising:
- a cylindrical body having a hub bore and a plurality of cylinder bores arranged about the hub bore;
- a hub insert disposed in the hub bore, the hub insert comprising a shaft bore having internal splines;
- and
- an anti-rotation body configured to prevent rotation of the hub insert relative to the cylindrical body,
- wherein the cylindrical body and the hub insert together define a channel in which the anti-rotation body is inserted.
2 more elements
A cylinder block for a fluid pump, the cylinder block comprising:
- a cylindrical body having a hub bore and a plurality of cylinder bores arranged about the hub bore;
- a hub insert disposed in the hub bore and configured to receive a shaft;
- and
- an anti-rotation body configured to prevent rotation of the hub insert relative to the cylindrical body,
- wherein the cylindrical body and the hub insert together define a channel between a radially outer surface of the hub insert and a radially inner surface of the cylindrical body in which the anti-rotation body is inserted.
2 more elements
Dependencies are inferred from the claim text.