Apparatus, system, and method for preventing overspeed of a...

Details Apparatus, system, and method for preventing overspeed of a... Apparatus, system, and method for preventing overspeed of a...

2011-07-12

2011-07-12

Trieu, Thai Ba (Department: 3748)

Power plants

Fluid motor means driven by waste heat or by exhaust energy...

With supercharging means for engine

C123S562000, C701S101000

Reexamination Certificate

active

07975480

ABSTRACT:
An apparatus, system, and method are disclosed for preventing overspeed of a turbocharger. The apparatus includes a two-stage turbocharger system with a high pressure and a low pressure turbocharger. A bypass valve that divides an exhaust flow into a primary exhaust flow and a bypass flow. A relief valve vents a portion of the primary exhaust flow around the high pressure turbocharger. The low pressure turbocharger receives the bypass flow, the primary exhaust flow, and the vented portion of the primary exhaust flow. The apparatus includes a controller having a protection condition module that determines a protection indicator, and a relief valve control module that controls the relief valve according to the protection indicator.

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A fully Certified English Translation Takemura et al. (Pub. No. JP 61-200331 A), published on Sep. 4, 1986.

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