The invention relates to a valve device for the fluid supply of fluid consumers, comprising several valve modules (2) arranged next to each other in the direction of stacking (3). Said valve modules (2) respectively comprise a plate-shaped channel body (11) provided with a feed channel recess (35) a
The invention relates to a valve device for the fluid supply of fluid consumers, comprising several valve modules (2) arranged next to each other in the direction of stacking (3). Said valve modules (2) respectively comprise a plate-shaped channel body (11) provided with a feed channel recess (35) and/or a venting channel recess (36) and four 2/2 distributing valves (41, 42, 45, 46) respectively having a first and a second fluidic connection (47, 48, 49, 50, 51, 52, 55, 56). The four 2/2 distributing valves (41, 42, 45, 46) of the valve module (2) are interconnected in a full bridge arrangement. According to the invention, an additional module (6, 7), which is arranged on the connection surface of the channel body, is connected so it communicates with one or both working channels (21, 22) and is designed to control a fluid flow and/or for determining a parameter of the fluid flow from or to the working channel (21, 22).
대표청구항▼
1. A valve device for the supply of fluid to fluid consumers, with several valve modules arranged next to one another in a direction of stacking, wherein each valve module comprises a plate-shaped passage body which has a feed passage recess designed for connection with a fluid source, two operating
1. A valve device for the supply of fluid to fluid consumers, with several valve modules arranged next to one another in a direction of stacking, wherein each valve module comprises a plate-shaped passage body which has a feed passage recess designed for connection with a fluid source, two operating passages provided for coupling to the fluid consumers, and a venting passage recess for venting the fluid consumers, together with two connection surfaces, parallel and opposite to one another, and outside surfaces aligned at right-angles to the connection surfaces, wherein the connection surfaces determine the direction of stacking and are designed to abut passage bodies adjacent to the connection surfaces, and four 2/2-way valves each having a first and second fluidic connection and a movable valve member for the setting of a free fluid passage cross-section between the first and second fluidic connection, wherein the four 2/2-way valves of the valve modules are connected to one another in a full bridge arrangement in which the first fluidic connections of the first and second 2/2-way valves are connected to the feed passage recess, the second fluidic connection of the first 2/2-way valve and the first fluidic connection of the fourth 2/2-way valve are connected to a first operating passage, the second fluidic connection of the second 2/2-way valve and the first fluidic connection of the third 2/2-way valve are connected to a second operating passage, and the second fluidic connections of the third and fourth 2/2-way valves are connected to the venting passage recess, and wherein each 2/2-way valve includes an electrically operable actuating means which is fitted on to an outer surface of the passage body serving as a mounting face, and is designed to switch the respectively assigned movable valve member between a closed position and an open position, wherein there is provided at a connection face of the passage body an additional module which is connected so as to communicate with one or both operating passages and is designed to control a fluid flow and/or to determine a parameter of the fluid flow from or to the operating passage. 2. A valve device according to claim 1, wherein the additional module is designed for lining up side by side in a direction of assembly at right-angles to the direction of stacking, at the connection face of the valve module or another additional module, in order to form an additional module assembly. 3. A valve device according to claim 1, wherein the additional module includes a passage unit with a fluid passage for communicating connection with one or both operating passages of the passage body, plus a functional unit fitted on to the passage unit for controlling and/or scanning the fluid flows in the fluid passage from or to one or both operating passages. 4. A valve device according to claim 3, wherein the fluid passage passes through the passage unit and, when the additional module is fixed to the passage body, is aligned at right-angles to the connection face, and there is formed in the passage unit a connecting passage for a communicating connection between the fluid passage and the functional unit. 5. A valve device according to claim 3, wherein the fluid passage extends between opposite contact faces of the passage unit. 6. A valve device according to claim 3, wherein the fluid passage is designed to accommodate mounting means, used to fix the additional module to the passage body or to another additional module. 7. A valve device according to claim 6, wherein the mounting means are provided at opposite end areas with a head section and a shank section in one direction of longitudinal extent, with a longitudinal recess passing through them, extending between shank section and head section and opening out at each end to allow communicating connection between additional modules arranged next to one another in the direction of assembly, wherein the shank section is designed to engage in the operating passage of the passage body or in the head section of further mounting means. 8. A valve device according to claim 7, wherein the mounting means have a connection recess communicating with the longitudinal recess and aligned at right-angles to the direction of longitudinal extension, and designed to provide a communicating connection between the longitudinal recess and the connecting passage. 9. A valve device according to claim 3, wherein the functional unit is in the form of a pressure sensor and/or a flow sensor and/or a temperature sensor and/or a humidity sensor for determining an electrical measuring signal based on fluid flowing in the operating passage, and for supplying this measuring signal to a control unit. 10. A valve device according to claim 3, wherein the functional unit is in the form of a 2/2-way valve. 11. A valve device according to claim 10, wherein the passage unit includes a first and a second connection passage, wherein the first connecting passage makes communicating connection with the first fluid passage and a first fluidic connection of the functional unit, and the second connecting passage makes communicating connection with the second fluid passage and a second fluidic connection of the functional unit. 12. A valve device according to claim 1, wherein the 2/2-way valves are in the form of valve units in which the electrically operable actuating means form with one valve section a compact unit which is attached to the mounting face of the passage body, wherein the valve section comprises the first and second fluidic connection plus a valve seat, relative to which the movable valve member is movably mounted, in order to control the free fluid passage cross-section between the first and second fluidic connection, between a closed position and an open position.
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이 특허에 인용된 특허 (3)
Muth, Andreas; Haajo, Jari, Fluid power operative instrumentality.
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