초록 ▼

Embodiments as described herein provide a simplified turbo recharger for an efficient, reliable, low-cost system that delivers good performance for improving efficiency of a vehicle using electric power. Embodiments as described herein may be used with electric motor, combustion engine hybrid vehicl

Embodiments as described herein provide a simplified turbo recharger for an efficient, reliable, low-cost system that delivers good performance for improving efficiency of a vehicle using electric power. Embodiments as described herein may be used with electric motor, combustion engine hybrid vehicles to improve the fuel efficiencies of such vehicles. A turbine may be positioned in an exhaust stream of a vehicle that is coupled to a generator to recharge the battery of a vehicle. The turbine may include a wastegate to permit the exhaust stream to enter or bypass the turbine depending on the charge of the battery, the rate of rotation of the turbine, pressure within the turbine, the speed of the engine, or a combination of the above.

대표청구항 ▼

1. An electric hybrid vehicle, comprising: an electric motor coupled to a battery;a combustion engine having an exhaust conduit;a turbine at least partially positioned within the exhaust conduit, the turbine coupled to a generator configured to supply a charge to the battery or current to the electr

1. An electric hybrid vehicle, comprising: an electric motor coupled to a battery;a combustion engine having an exhaust conduit;a turbine at least partially positioned within the exhaust conduit, the turbine coupled to a generator configured to supply a charge to the battery or current to the electric motor;a wastegate configured to permit a fluid stream from the exhaust conduit to bypass the turbine when open and spin the turbine when closed;a controller configured to open the wastegate at low pressures and permit free flow of an exhaust stream from the combustion engine while the electric hybrid vehicle is accelerating to reduce restricting an exhaust, the controller is further configured, at high pressure, to relieve excess pressure, and when the battery is fully charged. 2. The electric hybrid vehicle of claim 1, wherein the wastegate is computer-operated to determine optimal conditions for positioning the wastegate. 3. The electric hybrid vehicle of claim 2, further comprising a pressure sensor to obtain a pressure within the exhaust conduit prior to the turbine, a speed sensor to obtain a rate of rotation of the turbine, a power sensor to obtain a charge of the battery, wherein the computer is configured to open the wastegate based on information obtained from the pressure sensor, the speed sensor, and the power sensor. 4. The electric hybrid vehicle of claim 3, wherein the exhaust conduit branches into a first section in which the turbine is positioned, and a second portion in which the wastegate is positioned, wherein the second portion provides a bypass path around the turbine. 5. The electric hybrid vehicle of claim 4, further comprising an electric motor coupled to the wastegate to actuate the wastegate. 6. The electric hybrid vehicle of claim 5, wherein the wastegate is in the second portion of the exhaust conduit and comprises a gate valve having an outer perimeter corresponding with an interior perimeter of the second portion of the exhaust conduit. 7. The electric hybrid vehicle of claim 6, wherein the gate valve is hinged to the exhaust conduit such that rotation of the gate valve opens and closes the wastegate. 8. The electric hybrid vehicle of claim 7, wherein the gate valve is coupled to an electric motor that is controlled by a computer. 9. The electric hybrid vehicle of claim 3, further comprising a gear set between the turbine and electric motor such that the turbine spins faster than the electric motor. 10. The electric hybrid vehicle of claim 3, wherein the turbine and electric motor are directly connected such that the turbine and electric motor spin at comparable speeds. 11. The electric hybrid vehicle of claim 1, wherein the exhaust conduit comprises a first portion of reduced dimension directly adjacent the combustion engine and a second portion of increased dimension directly upstream of the turbine to reduce a pressure of the exhaust gases at a turbine inlet compared to a combustion engine outlet. 12. The electric hybrid vehicle of claim 11, wherein the exhaust conduit comprises a bypass portion from the first portion that provides an alternate exit path for exhaust fluids from the combustion engine without engaging the turbine. 13. The electric hybrid vehicle of claim 12, wherein the bypass portion comprises a wastegate to selectively open and close the bypass portion to exhaust fluids. 14. The electric hybrid vehicle of claim 1, wherein the generator supplies a charge to the battery through a power inverter and controller. 15. The electric hybrid vehicle of claim 1, wherein the generator sends a charge to a power inverter and controller, which will then send a current to turn the electric motor.