Fluid-actuated linear drive

A fluid power linear drive comprising a slab housing with an elongated cross sectional outline, said slab housing having a plurality of receiving spaces placed in a common housing plane adjacent to each other in the direction of a longitudinal axis of said cross sectional outline, a piston receiving space being provided at a first narrow side of the housing, such piston receiving space extending in the longitudinal direction and containing a piston connected with an outwardly extending force output part, while at an opposite second narrow housing side an electronic circuitry receiving space is provided, which contains electronic valve control circuitry, and between the piston receiving space and the electronic circuitry receiving space, at least one valve receiving space for electrically operated control valve means is located, such control valve means serving for the control of the fluid actuation of the piston and, wherein a sensor means receiving space is provided on the longitudinal side, which is opposite to the valve receiving space, of the piston receiving space in the interior of the slab housing said sensor means receiving space extending along the piston receiving space and containing a position detecting means for the detection of the piston position.

A fluid power linear drive comprising a slab housing with an elongated cross sectional outline, said slab housing having a plurality of receiving spaces placed in a common housing plane adjacent to each other in the direction of a longitudinal axis of said cross sectional outline, a piston receiving space being provided at a first narrow side of the housing, such piston receiving space extending in the longitudinal direction and containing a piston connected with an outwardly extending force output part while at an opposite second narrow housing side an electronic circuitry receiving space is provided, which contains electronic valve control circuitry, and between the piston receiving space and the electronic circuitry receiving space at least one valve receiving space for electrically operated control valve means is located, such control valve means serving for the control of the fluid actuation of the piston and wherein the control valve means is in the form of microvalves produced by micromachining.

A fluid power linear drive comprising a slab housing with an elongated cross sectional outline, said slab housing having a plurality of receiving spaces placed in a common housing plane adjacent to each other in the direction of a longitudinal axis of said cross sectional outline, a piston receiving space being provided at a first narrow side of the housing, such piston receiving space extending in the longitudinal direction and containing a piston connected with an outwardly extending force output part while at an opposite second narrow housing side an electronic circuitry receiving space is provided, which contains electronic valve control circuitry, and between the piston receiving space and the electronic circuitry receiving space, at least one valve receiving space for electrically operated control valve means is located, such control valve means serving for the control of the fluid actuation of the piston and wherein both electrical and also fluid connection means are provided for electrical and fluid energy transmission on a common terminal side of the slab housing.

A fluid power linear drive comprising a slab housing with an elongated cross sectional outline, said slab housing having a plurality of receiving spaces placed in a common housing plane adjacent to each other in the direction of a longitudinal axis of said cross sectional outline, a piston receiving space being provided at a first narrow side of the housing, such piston receiving space extending in the longitudinal direction and containing a piston connected with an outwardly extending force output part while at an opposite second narrow housing side an electronic circuitry receiving space is provided, which contains electronic valve control circuitry, and between the piston receiving space and the electronic circuitry receiving space, at least one valve receiving space for electrically operated control valve means is located, such control valve means serving for the control of the fluid actuation of the piston and wherein the control valve means is in the form of piezoelectric valves.