Phev (pneumatic hybrid electric vehicle)
Patent 7028482 Issued on April 18, 2006. Estimated Expiration Date: 
April 17, 2022. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
April 17, 2022. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent References 3923115 Hybrid powered automobile Hot gas engine and vehicle drive system Compressed air propulsion system for a vehicle Patent #: 4596119 InventorsAssigneeApplicationNo. 10475044 filed on 04/17/2002US Classes:60/698, SYSTEM HAVING PLURAL MOTORS OR HAVING DIVERSE TYPES OF ENERGY INPUT60/407, Pneumatic motor with gas supply or removal device60/716, System of plural motors having a common output structure180/65.2, Combined with nonelectric drive means60/668, Power system physically related to vehicle structure180/165WITH FLUID OR MECHANICAL MEANS TO ACCUMULATE ENERGY (I) DERIVED FROM MOTION OF VEHICLE OR (II) OBTAINED FROM OPERATION OF VEHICLE MOTOR, AND GIVE UP THE ENERGY (1) WHEN NEEDED FOR VEHICLE ACCELERATION OR (2) TO POWER AN AUXILIARY SYSTEM OF THE VEHICLEExaminersPrimary: Look, Edward K.Assistant: Kershteyn, Igor Attorney, Agent or FirmForeign Patent References
International ClassF01K 15/00AbstractA pneumatic hybrid electric engine includes an electric source, an air supply part for compressing air and storing the compressed air, a pneumatic engine part for generating power using air supplied from the air supply part, an electric engine part for generating power using electric power applied from the electric source, a power transmission part for transmitting the power generated by the pneumatic engine part and the electric engine part, and a control part for selectively operating the pneumatic engine part and the electric engine part so that the pneumatic and electric engines parts can be switched on the basis of a predetermined torque range.Field of SearchHaving automatic controlPneumatic motor with gas supply or removal device Pneumatic motor Having condition responsive control in a system of distinct or separately operable outputs or output drive units Having a mechanical clutch or brake device in the power train SYSTEM HAVING PLURAL MOTORS OR HAVING DIVERSE TYPES OF ENERGY INPUT Having disconnect means between a motor and the output System of plural motors having a common output structure With control means for structure storing work driving energy (e.g., accumulator, etc.) Energy of braking or of reversed load on motor stored WITH FLUID OR MECHANICAL MEANS TO ACCUMULATE ENERGY (I) DERIVED FROM MOTION OF VEHICLE OR (II) OBTAINED FROM OPERATION OF VEHICLE MOTOR, AND GIVE UP THE ENERGY (1) WHEN NEEDED FOR VEHICLE ACCELERATION OR (2) TO POWER AN AUXILIARY SYSTEM OF THE VEHICLE Driven by auxiliary electric or fluid motor Combined with nonelectric drive means | |
