Bidirectional pump for thermal management systems
AssigneeRtx Corporation
InventorChristine Kelsey
Life of this patent
Estimating the term…
Abstract
A bidirectional pump for a thermal management system including a working fluid fluidly coupled with the bidirectional pump; a bypass air heat exchanger fluidly coupled with the bidirectional pump through the working fluid; an auxiliary heat exchanger fluidly coupled with the bidirectional pump and the bypass air heat exchanger through the working fluid; a fuel heat exchanger fluidly coupled with the bidirectional pump and the auxiliary heat exchanger through the working fluid, wherein the bidirectional pump is configured to pump the working fluid through each of the bypass air heat exchanger, the auxiliary heat exchanger and the fuel heat exchanger in at least one of a first flow direction and a second flow direction.
Claims20
A thermal management system, having a bidirectional pump, the thermal management system comprising:
- a working fluid fluidly coupled with the bidirectional pump;
- a bypass air heat exchanger fluidly coupled with the bidirectional pump through the working fluid;
- an auxiliary heat exchanger fluidly coupled with the bidirectional pump and the bypass air heat exchanger through the working fluid;
- and
- a fuel heat exchanger fluidly coupled with the bidirectional pump and the auxiliary heat exchanger through the working fluid, wherein the bidirectional pump is configured to pump the working fluid through each of the bypass air heat exchanger, the auxiliary heat exchanger and the fuel heat exchanger in at least one of a first flow direction and a second flow direction.
A gas turbine engine having a thermal management system with a bidirectional pump, the gas turbine engine comprising:
- bypass air duct configured to flow a bypass air flow;
- a fuel system configured to supply fuel to a combustor;
- a lubrication oil system configured to supply lubrication oil to components in the gas turbine engine;
- a compressor bleed air system configured to supply compressor bleed air to components;
- a working fluid fluidly coupled with the bidirectional pump;
- a bypass air heat exchanger fluidly coupled with the bidirectional pump through the working fluid, wherein the bypass air heat exchanger includes the bypass air thermally coupled with the working fluid;
- an auxiliary heat exchanger fluidly coupled with the bidirectional pump and the bypass air heat exchanger through the working fluid, wherein the auxiliary heat exchanger includes the auxiliary fluid thermally coupled with the working fluid;
- and
- a fuel heat exchanger fluidly coupled with the bidirectional pump and the auxiliary heat exchanger through the working fluid, wherein the fuel heat exchanger includes the fuel thermally coupled with the working fluid;
- wherein the bidirectional pump is configured to pump the working fluid through each of the bypass air heat exchanger, the auxiliary heat exchanger and the fuel heat exchanger in at least one of a first flow direction and a second flow direction.
A process for a thermal management system having a bidirectional pump in a gas turbine engine comprising:
- configuring a bypass air duct to flow a bypass air flow;
- configuring a fuel system to supply fuel to a combustor;
- configuring a lubrication oil system to supply lubrication oil to components in the gas turbine engine;
- configuring a compressor bleed air system to supply compressor bleed air to components;
- fluidly coupling a working fluid with the bidirectional pump;
- fluidly coupling a bypass air heat exchanger with the bidirectional pump through the working fluid;
- thermally coupling the bypass air with the working fluid;
- fluidly coupling an auxiliary heat exchanger with the bidirectional pump and the bypass air heat exchanger through the working fluid;
- thermally coupling the auxiliary fluid with the working fluid;
- fluidly coupling a fuel heat exchanger with the bidirectional pump and the auxiliary heat exchanger through the working fluid, thermally coupling the fuel with the working fluid;
- and
- configuring the bidirectional pump to pump the working fluid through each of the bypass air heat exchanger, the auxiliary heat exchanger and the fuel heat exchanger in at least one of a first flow direction and a second flow direction.
Dependencies are inferred from the claim text.