Systems and method for a waste heat-driven turbocharger system
First Claim
1. A system for use with a power generator having a rotary machine including a combustor and an exhaust passage flowing exhaust gases from the combustor, comprising:
- a heat exchanger positioned in the exhaust passage; and
a turbocharger system, comprising;
at least one low pressure turbocharger including a low pressure turbine fluidly coupled to an outlet of the heat exchanger and a low pressure compressor fluidly coupled to an inlet of the heat exchanger;
at least one mid-pressure turbocharger including a mid-pressure turbine fluidly coupled to the outlet of the heat exchanger and a mid-pressure compressor fluidly coupled to the low pressure compressor; and
at least one high pressure turbocharger including a high pressure turbine arranged in series or parallel with the mid-pressure turbine and a high pressure compressor arranged in series with the mid-pressure compressor and fluidly coupled to the combustor of the rotary machine.
3 Assignments
0 Petitions
Accused Products
Abstract
Systems and methods are provided for a waste heat-driven turbocharger system. In one example, a system for use with a power generator having a rotary machine including a combustor and an exhaust passage flowing exhaust gases from the combustor comprises: a heat exchanger positioned in the exhaust passage; and a turbocharger system, comprising: at least one low pressure turbocharger including a low pressure turbine coupled to an outlet of the heat exchanger and a low pressure compressor coupled to an inlet of the heat exchanger; at least one mid-pressure turbocharger including a mid-pressure turbine coupled to the outlet and a mid-pressure compressor coupled to the low pressure compressor; and at least one high pressure turbocharger including a high pressure turbine arranged in series or parallel with the mid-pressure turbine and a high pressure compressor arranged in series with the mid-pressure compressor and coupled to the combustor of the rotary machine.
8 Citations
20 Claims
-
1. A system for use with a power generator having a rotary machine including a combustor and an exhaust passage flowing exhaust gases from the combustor, comprising:
-
a heat exchanger positioned in the exhaust passage; and a turbocharger system, comprising; at least one low pressure turbocharger including a low pressure turbine fluidly coupled to an outlet of the heat exchanger and a low pressure compressor fluidly coupled to an inlet of the heat exchanger; at least one mid-pressure turbocharger including a mid-pressure turbine fluidly coupled to the outlet of the heat exchanger and a mid-pressure compressor fluidly coupled to the low pressure compressor; and at least one high pressure turbocharger including a high pressure turbine arranged in series or parallel with the mid-pressure turbine and a high pressure compressor arranged in series with the mid-pressure compressor and fluidly coupled to the combustor of the rotary machine. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
-
-
9. A method for a turbocharger system of a power generation system, comprising:
at a controller receiving input data from a sensor, adjusting a position of a turbine backpressure valve comprising an actuator and included in the turbocharger system adapted to supply auxiliary compressed air to a rotary machine based on operating conditions of the turbocharger system and the rotary machine, the turbocharger system further including at least one low pressure turbocharger, the at least one low pressure turbocharger supplying compressed air to a heat exchanger arranged in an exhaust passage of the rotary machine, and a high pressure turbocharger including a high pressure turbine, the turbine backpressure valve arranged downstream of the high pressure turbine, and each of the at least one low pressure turbocharger and the high pressure turbocharger receiving heated, compressed air from the heat exchanger to drive rotation of the at least one low pressure turbocharger and the high pressure turbocharger, respectively. - View Dependent Claims (10, 11, 12, 13, 14, 15, 16)
-
17. A system for power generation using a rotary machine including a turbine section, compressor section, and combustor, comprising:
-
a heat exchanger positioned in an exhaust passage of the rotary machine; a turbocharger system, comprising; a low pressure turbocharger stage including at least one low pressure turbocharger, an outlet of a compressor of the at least one low pressure turbocharger fluidly coupled to an inlet of the heat exchanger and an inlet to a turbine of the at least one low pressure turbocharger fluidly coupled to an outlet of the heat exchanger; a mid-pressure turbocharger including a mid-pressure turbine driving rotation of a mid-pressure compressor, the mid-pressure compressor fluidly coupled to the outlet of the compressor of the at least one low pressure turbocharger with a first intercooler positioned therebetween and the mid-pressure turbine fluidly coupled to the outlet of the heat exchanger; a high pressure turbocharger including a high pressure turbine driving rotation of a high pressure compressor, the high pressure compressor fluidly coupled to an outlet of the mid-pressure compressor with a second intercooler positioned therebetween and the high pressure turbine adapted to receive heated, compressed air from the heat exchanger; and a turbine backpressure valve positioned in a flow path downstream of the high pressure turbine; and a controller including instructions stored on memory, than when executed during operation of the turbocharger system, cause the controller to; adjust a position of the turbine backpressure valve based on pressure and flow conditions of the turbocharger system. - View Dependent Claims (18, 19, 20)
-
Specification