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US 2012/0067331 A1Published application
Controlling engine braking loads using cat regeneration system (CRS)
AssigneeCaterpillar Inc.
InventorsJohn S. Pipis, JR., Homa Afjeh
Life of this patent
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Abstract
A power system comprising an engine, an intake air system, and an intake air bypass system. The intake air system delivers compressed air to the engine and the intake air bypass system diverts the compressed air away from the engine in response to the operation of an engine brake.
Claims20
A power system comprising:
- an engine including an engine brake;
- an intake air system configured to deliver compressed air to the engine;
- and
- an intake air bypass system configured to divert the compressed air away from the engine in response to operation of the engine brake.
1 more element
A method of reducing engine cylinder pressure during operation of an engine brake comprising:
- compressing air;
- delivering the compressed air to an engine;
- and
- diverting the compressed air away from the engine in response to operation of the engine brake.
1 more element
A method of variably controlling the amount of retarding power from an engine comprising:
- operating an engine brake;
- compressing air;
- delivering the compressed air to the engine;
- and
- diverting the compressed air away from the engine in an amount to achieve a desired amount of retarding power.
2 more elements
Dependencies are inferred from the claim text.