Internal-combustion engines – Charge forming device – Fuel injection system
Reexamination Certificate
2011-08-09
2011-08-09
Solis, Erick (Department: 3747)
Internal-combustion engines
Charge forming device
Fuel injection system
C310S346000, C123S478000, C123S490000
Reexamination Certificate
active
07992545
ABSTRACT:
The present invention provides a fuel injector, comprising a housing having a sealable injector seat; a fuel injector pin disposed within the housing proximate) the injector seat such that the injector seat may be sealed and unsealed by displacing the fuel injector pin; a resilient element biasing the fuel injector pin in an unsealed direction; a piezoelectric actuator disposed within the housing proximal to the fuel injector pin configured to actuate to force the injector pin towards the injector seat to seal the injector seat; and a thermal compensating unit disposed within the housing proximal to the actuator and configured to compensate for thermal expansion or contraction of a component of the fuel injector.
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Cheiky Michael C.
Frick Michael J.
Heisey David E.
Sheppard Mullin Richter & Hampton LLP
Solis Erick
Transonic Combustion, Inc.
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