Electromagnetostrictive actuator

T Maruyama - US Patent 7,323,960, 2008 - Google Patents
An actuator includes an electromagnetostrictive element that has one end located on a front
side and the other end located on a rear side. An output shaft penetrates the …

Valve apparatus

N Mitsumata, F Murakami - US Patent 7,441,546, 2008 - Google Patents
(57) ABSTRACT A pushrod is slidably received in a slidably holding guide, which is formed
separately from a valve body of a valve apparatus. A clearance is provided between an …

Device having a shape memory element

AT Hoang, M Maier, G Hohl - US Patent 8,237,525, 2012 - Google Patents
Conventional devices have a valve needle and a shape memory element which, by the
application of a controllable magnetic field, executes a control stroke travel that operates the …

Linear magnetostrictive actuator

JE Miesner, GG Zipfel Jr - US Patent 10,998,487, 2021 - Google Patents
Exemplary practice of the present invention provides a magnetostrictive actuator
characterized by linear force output and uniform magnetic biasing. A center bias magnet …

Magnetostrictive actuator with center bias

JE Miesner - US Patent 10,930,838, 2021 - Google Patents
Exemplary practice of the present invention provides a magnetostrictive actuator
characterized by linear force out put and uniform magnetic biasing. A center bias magnet …

Pressure regulating valve

M Bitter, H Sattmann, P Luckeneder… - US Patent …, 2010 - Google Patents
The invention relates to a pressure regulating valve, having an electromagnet and a
movable armature, that is used in particular in a fuel injection system for internal combustion …

Actuator

M Laufenberg, O Thode - US Patent 8,901,786, 2014 - Google Patents
Actuator having a drive element (16) which can be driven in reaction to electrical operation
of a coil device (14), said drive element consisting of a magnetic shape-memory material …

Hydraulic valve actuated by piezoelectric effect

RO Burkhart, GM Pietron, Y Fujii - US Patent 8,132,594, 2012 - Google Patents
The preferred embodiment relates generally to an appara tus for actuating a hydraulic valve
spool that moves in a chamber to control a hydraulic function produced by the valve. More …

Electromagnetic valve

K Ichihashi, F Arikawa, N Mitsumata… - US Patent …, 2018 - Google Patents
An electromagnetic valve includes a driving portion, a valve body, and a valve element. The
driving portion generates a magnetic attractive force according to an energization. The valve …

Linear magnetostrictive actuator

JE Miesner, GG Zipfel Jr - US Patent 11,430,939, 2022 - Google Patents
Exemplary practice of the present invention provides a magnetostrictive actuator
characterized by linear force output and uniform magnetic biasing. A center bias magnet …