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US 12,644,418 B1Granted
Self-sacrifice battery for starter ignition of small engines
AssigneeRtx Corporation
InventorJinQuan Xu
Life of this patent
Estimating the term…
Abstract
A start mechanism for a propulsion system including a receptacle; at least one portable source of energy disposed within the receptacle; a flow channel fluidly coupled to the receptacle; and a combustion section within the case, the combustion section fluidly coupled to the flow channel; wherein the at least one portable source of energy is configured to produce at least one of electrical energy and a source of chemical energy.
Claims19
A start mechanism for a propulsion system comprising:
- a receptacle;
- at least one portable source of energy disposed within the receptacle, wherein the at least one portable source of energy comprises a first battery pack proximate the combustor, the first battery pack configured to ignite a fuel in a combustor;
- and a second battery pack coupled with a motor-generator, wherein the second battery pack is sized from 10 to 50 times the Watt-hours of the first battery pack;
- a flow channel fluidly coupled to the receptacle;
- and
- a combustion section comprising the combustor within a case, the combustion section fluidly coupled to the flow channel;
- wherein the at least one portable source of energy is configured to produce at least one of electrical energy and a source of chemical energy.
4 more elements
A gas turbine engine having a start mechanism comprising:
- a case supporting a combustion section having a combustor;
- a receptacle in operative communication with the combustor;
- at least one battery disposed within the receptacle;
- a flow channel fluidly coupled to the receptacle;
- the combustor fluidly coupled to the flow channel;
- wherein the at least one battery is configured to produce at least one of electrical energy and a source of chemical energy, wherein the flow channel is fluidly coupled with a diffuser;
- wherein the source of chemical energy is configured to produce a converted chemical energy after initiation of the chemical energy, wherein the converted chemical energy comprises an ignition fluid and the diffuser is configured to direct the ignition fluid toward a burner in the combustor.
4 more elements
A process of forming a gas turbine engine having a start mechanism comprising:
- forming a case supporting a combustion section having a combustor;
- forming a receptacle in operative communication with the combustor;
- disposing at least one battery within the receptacle;
- forming a flow channel fluidly coupled to the receptacle;
- fluidly coupling the combustion section to the flow channel;
- configuring the at least one battery to produce at least one of electrical energy and a source of chemical energy;
- and
- configuring the source of chemical energy to produce a converted chemical energy after initiation of the chemical energy, wherein the converted chemical energy comprises an ignition fluid;
- coupling a motor-generator in operative communication with the at least one battery, wherein the at least one battery contains stored electrical energy for use to electrically spin the motor-generator to spool up a rotor of the gas turbine engine.
6 more elements
A process of forming a gas turbine engine having a start mechanism comprising:
- forming a case supporting a combustion section having a combustor;
- forming a receptacle in operative communication with the combustor;
- disposing at least one battery within the receptacle;
- forming a flow channel fluidly coupled to the receptacle;
- fluidly coupling the combustion section to the flow channel;
- configuring the at least one battery to produce at least one of electrical energy and a source of chemical energy;
- configuring the source of chemical energy to produce a converted chemical energy after initiation of the chemical energy, wherein the converted chemical energy comprises an ignition fluid;
- forming a shell layer with the receptacle;
- configuring the shell layer to provide a resistive barrier between a receptacle interior and a receptacle exterior;
- and
- configuring the shell layer to provide at least one of a pressure barrier, a thermal barrier, an electrical barrier and a chemical barrier and combinations thereof.
8 more elements
A gas turbine engine having a start mechanism comprising:
- a case supporting a combustion section having a combustor;
- a receptacle in operative communication with the combustor;
- at least one battery disposed within the receptacle;
- and
- a flow channel fluidly coupled to the receptacle;
- the combustor fluidly coupled to the flow channel, wherein the flow channel comprises at least one of a fuse, a wick and a match configured to ignite a fuel and air in the combustor;
- wherein the at least one battery is configured to produce at least one of electrical energy and a source of chemical energy;
- wherein the source of chemical energy is configured to produce a converted chemical energy after initiation of the chemical energy, wherein the converted chemical energy comprises an ignition fluid.
5 more elements
Dependencies are inferred from the claim text.