[특허]Hybrid electric propulsion system

Hybrid electric propulsion system 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	B60L-011/12
출원번호	US-0688117 (1991-04-19)
발명자 / 주소	Varela Jr. Arthur A. (6008 Grove Dr. Alexandria VA 22307)
인용정보	피인용 횟수 : 101 인용 특허 : 0

초록 ▼

A hybrid electric vehicle propulsion system having an external combustion free-piston engine is provided with an integral linear electric current generator and a pulse frequency controller. The system includes a power integration processor, a frequency modulator circuit and a pulse width modulator circuit, the power integration processor controls the frequency modulator circuit and the pulse width modulator circuit to produce both a frequency modulated pulsed current and an auxiliary power current which varies in pulse width. Both the frequency modulated pulsed current and the pulse width modulated auxiliary current are combined to power an electric drive motor having an integral electronic differential. A small auxiliary power source, such as a rechargeable battery pack, is provides the auxiliary current for acceleration and hill climbing power. The external combustion engine may burn any pollution free fuel (such as natural gas, alcohol, propane, etc.) and runs at a constant peak efficiency speed to generate constant frequency electric current from coils integrated into the engine. The generator current is sufficient to propel the vehicle in ordinary driving situations with smooth speed control of the drive motor. The propulsion motor combines one fixed stator, and two axially opposed permanent magnet or induction-type rotors, one for each output propulsion shaft.

대표청구항 ▼

An electro-mechanical propulsion system for a vehicle comprising: an external combustion, free piston multiple-cylinder engine; linear electric generator means for generating electric power from said engine including linear element generator means integrally mounted in said engine for converting mechanized to electrical power; means for adjusting a mechanical and electrical phase relationship between said engine and said generator means; a manual accelerator and an electric traction motor; means for controlling the electric output of the linear generator means corresponding to an accelerator position, and motor speed; an auxiliary power source comprising means for controlling output of said auxiliary power source corresponding to the load on said motor, said auxiliary power source being synchronized with the said means for controlling output of said linear generator means; said electric traction motor being connected as the prime mover means for propelling said vehicle, said motor being connected to be actuated by said linear generator and said auxiliary power supply, said electric motor including two independent and synchronized rotors, each of said rotors including an output shaft for connection to the vehicle propulsion means.

이 특허를 인용한 특허 (101)

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IPC	Description
A	생활필수품
A62	인명구조; 소방(사다리 E06C)
A62B	인명구조용의 기구, 장치 또는 방법(특히 의료용에 사용되는 밸브 A61M 39/00; 특히 물에서 쓰이는 인명구조 장치 또는 방법 B63C 9/00; 잠수장비 B63C 11/00; 특히 항공기에 쓰는 것, 예. 낙하산, 투출좌석 B64D; 특히 광산에서 쓰이는 구조장치 E21F 11/00)
A62B-1/08	.. 윈치 또는 풀리에 제동기구가 있는 것

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연합인증

Hybrid electric propulsion system 원문보기

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Hybrid electric propulsion system 원문보기

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