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US 10,947,868 B2Granted
Block mounted overhead cam support system for internal combustion engines
AssigneeCummins Inc.
InventorsKieran J. Richards, Simon Anthony Burge
Life of this patent
Estimating the term…
Abstract
Systems, devices, and methods are disclosed for supporting one or more camshafts by the engine block in overhead arrangement relative to the cylinder heads and valve train.
Claims30
An overhead cam support system, comprising:
- a cylinder head including at least one valve;
- a carrier housing rotatably supporting at least one camshaft on an engine block, the at least one camshaft configured to engage the at least one valve of the cylinder head, wherein the cylinder head and carrier housing are each directly connected to the engine block independently of each other.
An overhead cam support system, comprising:
- a carrier housing configured to extend around a cylinder head of an engine, the carrier housing including opposite side wall portions extending along the cylinder head and opposite end wall portions between the opposite side wall portions that each include a lower end directly connected to an engine block of the engine independently of the cylinder head, the carrier housing including at least one cam support arm extending over the cylinder head that rotatably supports at least one camshaft on the engine block.
An overhead cam support system, comprising:
- a lower carrier housing section that includes a plurality of legs with lower ends directly connected to an engine block along opposite sides of a cylinder head of an engine independently of the cylinder head, the lower carrier housing section further comprising flanges extending between and connecting adjacent legs;
- and
- an upper carrier housing section mounted on the lower carrier housing section, the upper carrier housing section including opposite sidewalls and opposite end walls connecting the opposite sidewalls, wherein the opposite end walls are configured to rotatably support at least one camshaft along the cylinder head.
Dependencies are inferred from the claim text.