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US 2013/0199751 A1Published application
Heat storage device for an engine
AssigneeFord Global Technologies, LLC
InventorsMichael Levin, Furqan Zafar Shaikh, James Patrick O'Neill, Donald Masch, Danrich Henry Demitroff
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Abstract
A heat recovery system for an engine is disclosed herein utilizing a heat storage unit configured to store waste exhaust heat for subsequent use on engine starts in various systems. In this way, improved system operation can be obtained by re-using such waste heat.
Claims19
A heat storage device for an engine, comprising:
- an inlet passage thermally coupling the heat storage device to an exhaust passage;
- a stack of phase changing materials positioned radially about a central feed passage, the stack positioned within an interior of a double wall vessel;
- and
- an outlet passage thermally coupling the heat storage device to another engine system.
1 more element
A system for an engine, comprising:
- a heat exchanger in fluidic communication with an exhaust passage;
- a heat storage device including a phase changing material;
- a first pipe thermally coupling the heat exchanger to the heat storage device;
- and
- a second pipe thermally coupling the heat storage device to another engine system.
2 more elements
A heat transfer system for an engine, comprising:
- a heat exchanger coupled to an exhaust passage downstream from a catalytic converter;
- a heat storage device, coupled to the heat exchanger via an inlet, including a cylindrical stack positioned between two retention plates;
- and
- an outlet coupling the heat storage device to another engine system.
1 more element
Dependencies are inferred from the claim text.