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US 2017/0254237 A1Published application
Systems and methods for reducing the oil volume and windage in fuel pumps
AssigneeCummins Inc.
InventorsAnthony Shaull, Rodney J. Hemmerlein, Richard Davis Thomas
Life of this patent
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Abstract
Systems and methods including spacers comprising a first face configured to engage with a cam shaft, a second face, and a third face operationally coupled to the first face and the second face, wherein the third face is configured to displace a lubricating fluid and permit rotation of the cam shaft are disclosed.
Claims22
A spacer comprising:
- a first face configured to engage with a cam shaft;
- a second face;
- and
- a third face operationally coupled to the first face and the second face, wherein the third face is configured to displace a lubricating fluid and permit rotation of the cam shaft.
1 more element
A method of manufacture comprising:
- disposing a lubricating fluid displacer circumferentially around a portion of a cam shaft;
- and
- securing a spacer to the cam shaft, wherein the fluid displacer comprises
- a first face configured to engage with a cam shaft;
- a second face;
- and
- a third face operationally coupled to the first face and the second face, wherein the third face is configured to displace a lubricating fluid and permit rotation of the cam shaft.
4 more elements
A spacer comprising:
- a first face;
- a second face;
- a third face operationally coupled to the first face and the second face;
- means for securing the spacer to a cam shaft;
- and
- means for permitting rotation of the cam shaft while allowing for displacement of a fluid in contact with the cam shaft.
3 more elements
Dependencies are inferred from the claim text.