About 95 results
https://drivepatents.com/patents/998667 · 5 Sep 2012
[Problem] Provided is a multi-layer piezoelectric element in which extension of a crack from an end face thereof is suppressed to improve the durability, and an injection device and a fuel injection system using the same. [Solution] A multi-layer piezoelec...
https://drivepatents.com/patents/999772 · 1 Aug 2012
The fuel injection component (100) has a component (10) that is arranged along a longitudinal axis (17). The component is arranged in a guiding hole (16) of a guiding component (12) under formation of a radial gap (13). The radial gap is formed in differen...
https://drivepatents.com/patents/1000806 · 4 Jul 2012
[Problem] A center of a multi-layer piezoelectric element is an active region and deforms to a greater degree than ends thereof which is an inactive region during driving operation, and is therefore more susceptible to stress concentration and crack develo...
https://drivepatents.com/patents/1000794 · 4 Jul 2012
[Problem] Provided is a multi-layer piezoelectric element which has no decline in the amount of displacement even under a condition of long-time use, and can protect a surface against adsorption of the content of moisture and impurities, thereby preventing...
https://drivepatents.com/patents/1001701 · 6 Jun 2012
[Problem] Conventional multi-layer piezoelectric element sometimes cannot be stably driven because crack sometimes occurs in a stacked body when an amount of displacement is large and when being driven at high speed. [Solution] A multi-layer piezoelectric ...
https://drivepatents.com/patents/1003824 · 4 Apr 2012
[Problem] Provided is a highly-durable multi-layer piezoelectric element that is free from peeling of external electrode off a stacked body even when driven to operate for long hours under a high electric field and high pressure. [Solution] A multi-layer p...
https://drivepatents.com/patents/1008490 · 19 Oct 2011
The present invention relates to an actuator arrangement for use in a fuel injector, comprising: a piezoelectric actuator having a body section, said body section having a first end piece and a second end piece; a rigid encapsulation member which encloses ...
https://drivepatents.com/patents/1008942 · 5 Oct 2011
The present invention relates an actuator arrangement for use in a fuel injector, comprising: a piezoelectric actuator having a body section, said body section having a first end piece and a second end piece; a sleeve which enshrouds at least part of the b...
https://drivepatents.com/patents/1011858 · 22 Jun 2011
Provided is a multi-layer piezoelectric element capable of achieving a high response speed and an increase in the displacement amount, ensuring sufficient mechanical strength, and suppressing deterioration of characteristics. A multi-layer piezoelectric el...
https://drivepatents.com/patents/1011639 · 22 Jun 2011
The valve (10) has a valve housing (16) comprising an injection opening and a fuel inlet (18) at its two front ends, respectively. A plastic body (29) is sprayed on the housing at the fuel inlet-side front end, and a connector housing (30) is formed at the...