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US 6,578,282 B2Granted
Disposable cylinder head bolt torque sequence template
AssigneeCummins Engine Company, Inc.
InventorsGlen T. Haegele, James N. Humphrey
Life of this patent
Estimating the term…
Abstract
A torque sequence template includes a head gasket backing that is constructed and arranged to support a head gasket when packaged with the backing. The head gasket backing has a plurality of tightening sequence punch-outs arranged thereon in positions corresponding to head bolt locations. The cylinder head bolts are used to secure an engine head to the block. The head gasket backing has sequence indicators provided next to the punch-outs that indicate the sequence in which the bolts are to be tightened.
Claims17
A torque sequence template, comprising:
- a head gasket backing constructed and arranged to support a head gasket when packaged with said head gasket, said backing having at least two bolt openings defined therein at positions corresponding to positions of bolts that compress said head gasket between a cylinder head and an engine block;
- wherein said backing has a torque sequence indicator provided next to each of said bolt openings for indicating a torque sequence for said bolts;
- and
- wherein said bolt openings each have torque angle indicators provided around a periphery of each of said bolt openings for indicating how far said bolts are rotated during tightening.
1 more element
A package, comprising:
- a head gasket;
- a head gasket backing supporting said head gasket, said backing having at least two bolt openings provided therein at positions corresponding to positions of said bolts when said bolts secure said cylinder head to said engine block, said backing having a torque sequence indicator provided next to each of said bolt openings to indicate a torque sequence of bolts that compress said head gasket between a cylinder head and an engine block;
- and
- wherein said bolt openings each have torque angle indicators provided around a periphery of each of said bolt openings for indicating how far said bolts are rotated during tightening.
1 more element
Dependencies are inferred from the claim text.