Injector

Details Injector Injector

2011-04-26

2011-04-26

Boeckmann, Jason J (Department: 3752)

Fluid sprinkling, spraying, and diffusing

Unitary injection nozzle and pump or accumulator plunger

C239S102200, C239S584000, C239S533900

Reexamination Certificate

active

07931211

ABSTRACT:
A pressurizing piston has a head section, which contacts an axial end face of a piezoelectric actuator to receive displacement of the actuator, and a piston wall section, which is formed in a cylindrical shape and can move in an axial direction in response to the movement of the head section. The head section and the piston wall section are combined such that relative displacement therebetween is possible in a radial direction. An outer sleeve slidably holding an outer periphery of the piston wall section restricts radial movement of the head section. When an expansion-contraction direction of the actuator inclines with respect to the axial direction, inclination of the piston wall section is inhibited by a radial deviation caused between the head section and the piston wall section. Thus, pinching of the piston wall section to the outer sleeve is inhibited.

REFERENCES:
patent: 5651503 (1997-07-01), Ricco
patent: 5697554 (1997-12-01), Auwaerter et al.
patent: 5875632 (1999-03-01), Kappel et al.
patent: 6216964 (2001-04-01), Lambert
patent: 7100895 (2006-09-01), Schurz et al.
patent: 7455244 (2008-11-01), Boecking
patent: 2006/0219805 (2006-10-01), Boecking
patent: 2007/0152084 (2007-07-01), Boecking
patent: 103 53 045 (2005-06-01), None
patent: 1 571 328 (2005-09-01), None
patent: U-1-114975 (1989-08-01), None
patent: A-5-215038 (1993-08-01), None
patent: WO 2005/026531 (2005-03-01), None
patent: 2005/075811 (2005-08-01), None
German Office Action dated Oct. 19, 2009, issued in corresponding German Application No. 10 2008 000 511.8-13, with English translation.

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