# US 10,767,769 B2 · Electromagnetic valve device and use thereof > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 10,767,769 B2 - Document ID: US10767769B2 - Status: Granted - Kind: B2 - Application number: 16/062,921 - Filed: 2016-11-23 - Published: 2019-01-10 - Granted: 2020-09-08 - Earliest claimed: 2015-12-16 - Assignees: ETO Magnetic GmbH - Applicants: ETO Magnetic GmbH - Inventors: Karsten Knipper; Witold Bruczuk; Mariusz Bunio - Web page: https://patentgrep.com/patent/US10767769B2 ## CPC - F16K 11/048: with valve seats positioned between movable valve members - B60T 13/662: {characterised by specified functions of the control system components} - B60T 13/683: {in pneumatic systems or parts thereof (in vacuum systems B60T13/72)} - B60T 15/027: {in pneumatic systems} - F16K 27/0263: {multiple way valves} - F16K 31/423: {the actuated members consisting of multiple way valves} - B60T 8/362: {in pneumatic systems (B60T8/3655, B60T8/3675 and B60T8/369 take precedence)} - F16K: VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING {(devices for emptying and evacuating the excess liquid in valves or conduits F16L55/07)} - B60T: VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL (electrodynamic brake systems for vehicle, in general B60L; brakes per se, i.e. devices where braking effect occurs, including ultimate brake actuators, F16D); ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES ## Abstract An electromagnetic valve device having an armature (18) designed such that it can move in an axial direction in a valve housing (10) in response to energising of a stationary coil (12) provided in the valve housing, and which interact with a first valve seat (22) associated with a fluid inlet connection (26) of the valve housing, wherein a first fluid flow path (36) is formed in the valve housing such that fluid flowing through the opened first valve seat can flow in order to actuate a plunger (32) provided axially or axially parallel to the armature (18) and moveable relative to same and to which a preloading force is applied, and the actuation causes a second valve seat (43) interacting with the plunger (32) to be opened to produce a fluid connection to a fluid working connection (42) of the valve housing, and wherein the valve housing has fastening structure (44, 46) in the form of at least one hole extending at an angle, to the axial direction, wherein the fluid inlet connection (26) and the working connection (42), provided adjacent thereto, is formed on the same axial side of the valve housing in relation to the fastening structure. ## Claims ### Claim 1 An electromagnetic valve device having armature means (18), wherein the armature means moves in an axial direction in a valve housing (10) in response to the energising of stationary coil means (12) provided in the valve housing, and interacts with a first valve seat (22) associated with a fluid inlet connection (26) of the valve housing, wherein a first fluid flow path (36) is formed in the valve housing such that fluid flowing through the opened first valve seat can flow in order to actuate plunger means (32), wherein a preloading force is applied to the armature means, and the actuation causes a second valve seat (43) interacting with the plunger means (32) to be opened to produce a fluid connection to a fluid working connection (42) of the valve housing, and wherein the valve housing has fastening means (44, 46) in the form of at least one hole extending at an angle to the axial direction wherein the fluid inlet connection (26) and the working connection (42) are formed on the same axial side of the valve housing in relation to the fastening means, wherein the armature means in the valve housing are assigned stationary core means (24) axially opposite the first valve seat, wherein the core means together with the armature means delimit a ventilated working space (54), wherein the ventilation is implemented by a first ventilation path (58) which runs on and/or in the core means, a second ventilation path (64) which is defined entirely within the valve housing and runs at least partially parallel to the axial direction in the valve housing, and by a connecting path (62) which is formed at the end of the core means and/or of the valve housing and connects the first and second ventilation paths, and wherein the connecting path is implemented by means of a cap assembly and/or cover assembly (60) which can be connected to the axial end of the valve housing. ### Claim 2 (depends on 1) The device according to claim 1, wherein a pneumatic fluid can be applied to the fluid inlet connection (26) in the form of a pneumatic pressure connection in such a manner that a fluid pressure of the pneumatic fluid can overcome a mechanical, restoring force acting on the plunger means (32) when the first valve seat (22) is opened. ### Claim 3 (depends on 1) The device according to claim 1, wherein the fluid inlet connection and fluid working connection, which are each flange-like and sit as a single piece on the housing, are offset relative to each other in the axial direction and/or radially, and wherein the housing is at least partially cylindrical. ### Claim 4 (depends on 3) The device according to claim 3, wherein the fluid inlet connection and fluid working connection are formed on mutually opposite sides of the valve housing in relation to a valve housing longitudinal axis corresponding to the axial direction. ### Claim 5 (depends on 3) The device according to claim 3, wherein the fluid inlet connection and fluid working connection are formed on the valve housing adjacently, either without a radial offset or with a radial offset and an axial offset. ### Claim 6 (depends on 3) The device according to claim 3, wherein a radial direction of the fluid inlet connection and/or fluid working connection, in relation to a radial direction of the hole of the fastening means, has an angle offset of zero or an angle offset in the range between 70° and 110°. ### Claim 7 (depends on 1) The device according to claim 1, wherein the valve housing, in an end section axially opposite the fastening means, has a connector section (16) which can be connected a power supply of the coil means and has an orientation extending parallel to the fluid inlet connection and/or fluid outlet connection and/or at right angles an extension direction of the hole (44, 46). ### Claim 8 (depends on 1) The device according to claim 1, wherein the fastening means is assigned an additional fluid connection (50) of the valve device which is permanently connected to the fluid inlet connection. ### Claim 9 (depends on 8) The device according to claim 8, wherein the additional fluid connection (50) is formed and oriented parallel relative to the fastening means, in such a manner that the respective additional fluid connections can be connected to each other in a pressure-tight manner, with the use of coupling means, when there is a plurality of valve housings, connected to one another by means of the fastening means, of a plurality of valve devices connected to one another. ### Claim 10 (depends on 8) The device according to claim 8, wherein the fastening means have a pair of holes (44, 46) formed adjacently to each other and oriented parallel to each other. ### Claim 11 (depends on 1) The device according to claim 1, wherein the diameter and/or the maximum cross-sectional width of an actuation face (38) on the armature side of the plunger means (32), in relation to a centre axis spacing (b) of a pair of parallel holes (44, 46) realising the fastening means is at least 0.4, and/or the diameter and/or the maximum cross-sectional width of the actuation face (38) on the armature side of the plunger means (32), in relation to a minimum radial distance (a) of the pair from the parallel holes (44, 46) of the fastening means is at least 0.7. ### Claim 12 (depends on 1) The electromagnetic valve device according to claim 1, wherein the valve housing has a multi-piece form and the fluid inlet connection, the working connection and the fastening means are provided on or in a common housing part of the valve housing. ### Claim 13 (depends on 12) The electromagnetic valve device according to claim 12, wherein the fluid inlet connection, the working connection and the fastening means are provided on or in a common, single-piece housing part of the valve housing. ### Claim 14 (depends on 1) The device according to claim 1, wherein the plunger means (32) are provided axially or axially parallel to the armature means (18). ### Claim 15 (depends on 1) The device according to claim 1, wherein the hole extends transversely to the axial direction. ### Claim 16 (depends on 1) The device according to claim 1, wherein the working connection (42) is provided adjacent to the fluid inlet connection (26). ### Claim 17 (depends on 1) The device according to claim 1, wherein the diameter and/or the maximum cross-sectional width of an actuation face (38) on the armature side of the plunger means (32), in relation to a centre axis spacing (b) of a pair of parallel holes (44, 46) realising the fastening means is at least 0.5, and/or the diameter and/or the maximum cross-sectional width of the actuation face (38) on the armature side of the plunger means (32), in relation to a minimum radial distance (a) of the pair from the parallel holes (44, 46) of the fastening means is at least 0.8. ### Claim 18 An electromagnetic valve device having armature means (18) wherein the armature means moves in an axial direction in a valve housing (10) in response to the energising of stationary coil means (12) provided in the valve housing, and interacts with a first valve seat (22) associated with a fluid inlet connection (26) of the valve housing, wherein a first fluid flow path (36) is formed in the valve housing such that fluid flowing through the opened first valve seat can flow in order to actuate plunger means (32), wherein a preloading force is applied to the armature means, and the actuation causes a second valve seat (43) interacting with the plunger means (32) to be opened to produce a fluid connection to a fluid working connection (42) of the valve housing, and wherein the valve housing has fastening means (44, 46) in the form of at least one hole extending at an angle to the axial direction wherein the fluid inlet connection (26) and the working connection (42) are formed on the same axial side of the valve housing in relation to the fastening means, wherein the armature means in the valve housing are assigned stationary core means (24) axially opposite the first valve seat, wherein the core means together with the armature means delimit a ventilated working space (54), wherein the ventilation is implemented by a first ventilation path (58) which runs on and/or in the core means, a second ventilation path (64) which runs at least partially parallel to the axial direction in the valve housing, and by a connecting path (62) which is formed at the end of the core means and/or of the valve housing and connects the first and second ventilation paths, and wherein the connecting path is implemented by means of a cap assembly and/or cover assembly (60) which can be connected to the axial end of the valve housing, wherein the valve housing has a housing edge, wherein the cap assembly has an inner ridge extending away from the cap assembly and an outer ridge extending away from the cap assembly, the inner ridge and the outer ridge defining a groove, and wherein the cap assembly is connected to the valve housing by positioning the housing edge in the groove.