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Piezoelectric fuel injector with temperature compensation unit and fuel injection system including same

A technology of temperature compensation unit and fuel injection system, applied in fuel injection device, special fuel injection device, charging system, etc., can solve the problems of hydrocarbon fuel waste, excess pollutants and greenhouse gases, world energy depletion, etc.

Inactive Publication Date: 2016-01-20
ECOMOTORS INTL
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Most gasoline and diesel car engines are only 20-30% efficient, so that a large portion of hydrocarbon fuels is wasted, depleting the world's energy sources while producing excessive amounts of pollutants and greenhouse gases

Method used

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  • Piezoelectric fuel injector with temperature compensation unit and fuel injection system including same
  • Piezoelectric fuel injector with temperature compensation unit and fuel injection system including same
  • Piezoelectric fuel injector with temperature compensation unit and fuel injection system including same

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Embodiment Construction

[0021] The following paragraphs will describe the present invention in detail through examples and with reference to the accompanying drawings. All preferred embodiments described in this specification should be considered as examples, not limitations of the present invention. The "present invention" in this specification refers to any embodiment of the invention described in this specification or its equivalent. Furthermore, reference in this specification to various features of the "present invention" does not mean that all claimed embodiments or methods must include the referenced features.

[0022] Before describing the invention in detail, it is useful to describe a few examples of environments in which the invention may be practiced. One such example is a vehicle powered by an internal combustion engine. figure 1 One such vehicle 50 is shown. A fuel source 51 is provided in the vehicle, and the fuel source 51 is connected to an engine 52 through a fuel pipeline 53 . ...

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Abstract

The invention provides a fuel injector, the fuel injector includes a housing with a sealable fuel injector base; The displacement of the needle can seal and open the base of the fuel injector; the elastic element that biases the fuel injection needle in the opening direction; the piezoelectric actuator arranged in the housing next to the fuel injection needle, the piezoelectric actuator configured to actuate to push the injector needle toward the injector mount to seal the injector mount; and a temperature set within the housing proximate to the actuator A compensation unit configured to compensate for thermal expansion or contraction of components of the injector.

Description

[0001] related application [0002] This application claims priority from U.S. Patent Application 12 / 817,136, filed June 16, 2010, which claims priority from U.S. Patent Application 12 / 503,764, filed July 15, 2009, which claims the Priority is given to US Provisional Patent Application 61 / 081,326, dated July 16, 2008, the contents of which are incorporated herein by reference in their entireties. technical field [0003] The present invention relates generally to fuel injection systems and, more particularly, to piezoelectrically actuated fuel injectors with heating and catalytic components for engines, particularly internal combustion engines. Background technique [0004] Much of the world's energy is consumed to drive internal combustion-based motor vehicles. Most gasoline and diesel car engines are only 20-30% efficient, so that a significant portion of hydrocarbon fuels is wasted, depleting the world's energy sources while producing excessive amounts of pollutants and...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B05B15/00F02M51/00
CPCF02M51/0603F02M2200/705
Inventor M·J·弗里克M·C·谢凯
Owner ECOMOTORS INTL