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US 6,782,856 B2Granted
Camshaft accumulator
AssigneeFord Global Technologies, LLC
InventorMichael George Aimone
Life of this patent
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Abstract
An accumulator 114 is provided in an engine 7 camshaft 73 having at least one lobe and an internal cavity 170. A compliance member 174 is provided for pressurizing the fluid within the internal cavity 170.
Claims12
An automotive engine arrangement comprising:
- an engine body having a cylindrical combustion chamber for mounting a reciprocating piston therein;
- a passageway through said engine body connected with said combustion chamber;
- a valve for controlling flow through said passageway;
- a camshaft rotatively mounted by said engine body and adapted to receive a variable camshaft timing unit, said cam shaft having a lobe operatively associated with said valve for operating the same;
- and
- an accumulator located in an internal cavity of said camshaft for receipt of engine lubricating oil, wherein said accumulator has a compliance member for pressurizing said lubricating oil for use with the variable camshaft timing unit.
3 more elements
Dependencies are inferred from the claim text.