Thermal choke, autostart generator system, and method of use thereof
A thermal choke, includes (1) a body, comprising a heat conductive material, (2) an electric heater, on or in the body, (3) a temperature sensor, on or in the body, and (4) a fin, in a channel surrounded by the body. The thermal choke is configured to fit between a throttle assembly and a cylinder of a spark ignition engine.
1. A portable flexible fuel generator, having an engine, comprising:
(A) a throttle assembly,
(B) a cylinder, fluidly connected to the throttle assembly,
(C) a spark plug, in the cylinder,
(D) a thermal choke, between the throttle assembly and the cylinder,
(E) a primary fuel tank, fluidly connected to the cylinder,
(F) an air intake path, fluidly connecting atmosphere to the cylinder, and
(G) a coolant path, which provide a flow path for coolant to cool the cylinder,
wherein the thermal choke comprises
(i) a body, comprising a heat conductive material,
(ii) an electric heater, in the body,
(iii) a temperature sensor, on the body, and
(iv) a channel surrounded by the body.
2. The generator of claim 1 , wherein the thermal choke further comprises: (v) a fin, in the channel surrounded by the body.
3. The generator of claim 1 , wherein the throttle assembly comprises:
(I) a fuel bowl, and
(II) a temperature sensor, on the fuel bowl.
4. The generator of claim 1 , further comprising:
(H) a heat insulating material, between the throttle assembly and the thermal choke, and
(I) a heat insulating material, between the cylinder and the thermal choke.
5. The generator of claim 4 , wherein the throttle assembly comprises:
(I) a fuel bowl, and
(II) a temperature sensor, on the fuel bowl.
6. The generator of claim 1 , wherein the throttle assembly comprises (III) a carburetor.
7. The generator of claim 1 , comprising:
(ii) a plurality of electric heaters on or in the thermal choke body,
wherein the heat conductive material comprises metal.
8. The generator of claim 1 , wherein the heat conductive material comprises metal.
9. The generator of claim 8 , wherein the heat conductive material comprises brass.
10. The generator of claim 1 , comprising (2) a plurality of electric heaters on or in the body.
11. The generator of claim 1 , wherein the thermal choke comprises:
(2) a plurality of electric heaters on or in the body, and
(4) a plurality of fins, in the channel surrounded by the body,
wherein the heat conductive material comprises metal.
12. The generator of claim 1 , further comprising
(H) a heat insulating material, between the throttle assembly and the thermal choke, and
(I) a heat insulating material, between the cylinder and the thermal choke, wherein the throttle assembly comprises:
(I) a fuel bowl,
(II) a temperature sensor, on the fuel bowl, and
(III) a carburetor.
13. The generator of claim 12 , wherein the thermal choke comprises:
(2) a plurality of electric heaters on or in the body, and
(4) a plurality of fins, in the channel surrounded by the body,
wherein the heat conductive material comprises metal.
14. The generator of claim 13 , wherein the heat conductive material comprises brass.
15. A portable flexible fuel generator, having an engine, comprising:
(A) a throttle assembly,
(B) a cylinder, fluidly connected to the throttle assembly,
(C) a spark plug, in the cylinder,
(D) a thermal choke, fluidly connected to the throttle assembly and the cylinder,
(E) a primary fuel tank, fluidly connected to the cylinder,
(F) an air intake path, fluidly connecting atmosphere to the cylinder, and
(G) a coolant path, which provide a flow path for coolant to cool the cylinder,
wherein the thermal choke comprises
(i) a body, comprising a heat conductive material,
(ii) an electric heater, in the body,
(iii) a temperature sensor, on the body, and
(iv) a channel surrounded by the body.
16. The generator of claim 15 , wherein the thermal choke further comprises: (v) a fin, in the channel surrounded by the body.
17. The generator of claim 16 , wherein the thermal choke comprises:
(2) a plurality of electric heaters on or in the body, and
(4) a plurality of fins, in the channel surrounded by the body,
wherein the heat conductive material comprises metal.
18. The generator of claim 15 , wherein the throttle assembly comprises:
(I) a fuel bowl, and
(II) a temperature sensor, on the fuel bowl.
19. The generator of claim 15 , further comprising:
(H) a heat insulating material, between the throttle assembly and the thermal choke, and
(I) a heat insulating material, between the cylinder and the thermal choke.
20. The generator of claim 15 , wherein the throttle assembly comprises (III) a carburetor.