Patents by Inventor Eike Willers

Eike Willers has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 11959553
    Abstract: The invention relates to a valve for controlling a coolant circuit of a refrigerating system, having a housing, which has at least one inlet opening and at least one outlet opening, having a regulating chamber provided in the housing, which extends between the at least one inlet opening and the at least one outlet opening, having a valve arrangement, which is insertable at least partially into the regulating chamber, having a rotary slide arrangement, arranged in the regulating chamber, which has a control disc, which is rotatable in relation to the at least one rotary slide support, the at least one rotary slide support is provided non-rotationally to the housing and the at least one rotary slide support is mounted floatingly to the housing.
    Type: Grant
    Filed: April 8, 2022
    Date of Patent: April 16, 2024
    Assignee: OTTO EGELHOF GmbH & Co. KG
    Inventors: Jean-Jacques Robin, Andreas Ehmen, Eike Willers, Volker Von Rad, Peter Bohnenstengel
  • Patent number: 11953099
    Abstract: A valve arrangement for a switching valve and to a switching valve for regulating a mass flow in a refrigerating circuit or a heating circuit, comprising a valve housing, which comprises a feed opening and a discharge opening, comprising a valve piston, which comprises a valve-closing member, which buts against a through-hole between the feed opening and the discharge opening in a closed position on a valve seat and closes the through-hole, wherein the valve seat comprises a stop surface and a sealing surface which are oriented so as to be adjacent to one another, the valve-closing member comprises a supporting surface and a gasket surface which are oriented so as to be adjacent to one another, an elastic sealing element is provided on the valve seat or the valve-closing member, on which sealing element the sealing surface or gasket surface is formed, a sealing projection is provided on the sealing surface or the gasket surface and is oriented towards the opposite gasket surface or sealing surface, the suppor
    Type: Grant
    Filed: September 29, 2021
    Date of Patent: April 9, 2024
    Assignee: OTTO EGELHOF GmbH & Co. KG
    Inventors: Eike Willers, Andreas Auweder, Markus Lang-Belz
  • Publication number: 20240035578
    Abstract: Ball valve having a housing which comprises at least one inlet opening and at least one outlet opening, between which a regulating chamber is provided, having a valve which is arranged in the regulating chamber and comprises at least one spherical control surface with at least one passage that connects one inflow opening to an outflow opening of the valve, having a connection opening in the housing, which opens into the regulating chamber into which a connection housing can be inserted, wherein at least one seal is provided between the connection housing and the connection opening, and the connection housing comprises a shaft feedthrough having a shaft mounted therein by means of which the valve can be controlled, wherein the valve with the at least one spherical control opening is insertable through the connection opening into the regulating chamber.
    Type: Application
    Filed: July 26, 2023
    Publication date: February 1, 2024
    Inventors: Eike Willers, Peter Bohnenstengel
  • Patent number: 11828381
    Abstract: A switching valve and a valve arrangement for regulating a mass flow in a refrigeration or heating circuit, having a path-generating device which comprises a U-shaped yoke with an upper and lower leg which are aligned with one another and a coil which is positioned within the yoke and can be electrically controlled, a core fixedly positioned relative to the coil and having at least a portion projecting relative to the coil and positioned in an opening in the leg of the yoke, and a tappet provided in the coil and movable relative to the core and having an end extending through an opening in one of the legs of the yoke, with a closing body or valve closing member arranged on the tappet, and with a restoring element which is arranged between the core and the tappet, a switching bushing being provided which is insertable into the path-generating device, and which is closed on one side by a base and is open on the opposite end of the base and fastening section is assigned to the open end of the switching bushing h
    Type: Grant
    Filed: November 5, 2021
    Date of Patent: November 28, 2023
    Assignee: OTTO EGELHOF GmbH & Co. KG
    Inventors: Eike Willers, Andreas Auweder, Markus Lang-Belz
  • Publication number: 20230375105
    Abstract: A valve with a housing has a connection point for insertion into a connection device and a valve seat associated with a passage opening, which valve seat can be closed by a valve closing member, and is transferable by a drive or a pressure of a medium to an operating position in which the valve closing member is lifted with respect to the valve, having a securing element, which holds the valve closing member in a filling position relative to the valve seat, in which position the valve closing member is lifted with respect to the valve seat and unblocks the passage opening, and the securing element can be transferred, following the first transfer of the valve closing member from the filling position to the operating position, to a disengaged position relative to the valve closing member and subsequently the valve closing member is transferable to the closed position.
    Type: Application
    Filed: April 20, 2023
    Publication date: November 23, 2023
    Inventors: Eike Willers, Juergen Sohn, Kryszstof Kurowski
  • Patent number: 11773993
    Abstract: The invention relates to a non-return valve, in particular for a refrigeration or heat circuit, which valve can be inserted into a connection opening (26, 27, 28, 29) of a connection device (21) or of a pipe (39) and comprises: —a one-part or multi-part housing (42) which comprises at least one main housing (44), a feed opening (48) being provided on the inlet side and a discharge opening (51) being provided on the outlet side of the main housing (44), the feed opening and the discharge opening being interconnected by a flow channel (49); —a guide element (53) which is provided on the main housing (44) and by means of which a valve closing element (61) is guided slidably relative to the main housing (44), the valve closing element (61) being arranged in a starting position (42) by means of an energy accumulator (71) and the valve closing element (61) being slidable toward the discharge opening (51) against an actuating force of the energy accumulator (71) in order to be transferred into a working position (63
    Type: Grant
    Filed: May 15, 2019
    Date of Patent: October 3, 2023
    Assignee: OTTO EGELHOF GmbH & Co. KG
    Inventors: Eike Willers, Andreas Auweder, Rainer Maurer, Siegfried Roth, Uwe Hellmuth, Bernhard Wagner
  • Patent number: 11608901
    Abstract: A valve arrangement for a switching valve and to a switching valve for regulating a mass flow in a refrigerating circuit or a heating circuit, including a valve housing, which includes a feed opening and a discharge opening, including a valve piston, which includes a valve-closing member, which buts against a through-hole between the feed opening and the discharge opening in a closed position on a valve seat and closes the through-hole, wherein the valve seat includes a stop surface and a sealing surface which are oriented so as to be adjacent to one another, the valve-closing member includes a supporting surface and a gasket surface which are oriented so as to be adjacent to one another, an elastic sealing element is provided on the valve seat or the valve-closing member, on which sealing element the sealing surface or gasket surface is formed, a sealing projection is provided on the sealing surface or the gasket surface and is oriented towards the opposite gasket surface or sealing surface, the supporting s
    Type: Grant
    Filed: February 19, 2021
    Date of Patent: March 21, 2023
    Assignee: OTTO EGELHOF GmbH & Co. KG
    Inventors: Eike Willers, Andreas Auweder, Markus Lang-Belz
  • Publication number: 20220333701
    Abstract: The invention relates to a valve for controlling a coolant circuit of a refrigerating system, preferably having a heat pump function, having a housing, which has at least one inlet opening and at least one outlet opening, having a regulating chamber provided in the housing, which extends between the at least one inlet opening and the at least one outlet opening, having a plugging opening provided on the housing, which is adjacent to the regulating chamber, having a valve arrangement, which is insertable at least partially into the regulating chamber, by means of which a current path of a medium between the at least one inlet opening and the at least on outlet opening is controllable, having a rotary slide arrangement, arranged in the regulating chamber, of the valve arrangement, which has a control disc, which is rotatable in relation to the at least one rotary slide support, wherein the at least one rotary slide support is provided non-rotationally to the housing and is allocated to the at least one outlet o
    Type: Application
    Filed: April 8, 2022
    Publication date: October 20, 2022
    Inventors: Jean-Jacques ROBIN, Andreas EHMEN, Eike WILLERS, Volker VON RAD, Peter BOHNENSTENGEL
  • Patent number: 11428337
    Abstract: The invention relates to a non-return valve, in particular for a refrigeration circuit or thermal circuit, which is insertable into a connection point (76) of a connection device (71), which comprises a supply opening (72) for supplying a medium and an outlet opening (74) for discharging the medium, comprising a multi-part housing (12, 14), which comprises a valve housing (14) and a main housing (12), which is interconnectable by means of connection elements (41, 42) via an interface (16), comprising a regulating space (24) formed between the main housing (12) and the valve housing (14), in which space a valve-closing member (25) is provided which abuts a valve seat (23) of the valve housing (14) in a closed position (54), and closes an opening (22) in the valve housing (14) and is movable into an operating position (55) counter to an actuating force of a return element (33) and releases the valve opening (22), wherein the valve housing (14) and the valve-closing member (25), which is arranged so as to be mov
    Type: Grant
    Filed: December 18, 2020
    Date of Patent: August 30, 2022
    Assignee: OTTO EGELHOF GmbH & Co. KG
    Inventors: Andreas Auweder, Eike Willers, Betina Jahnke, Bernhard Wagner
  • Publication number: 20220154843
    Abstract: A switching valve and a valve arrangement for regulating a mass flow in a refrigeration or heating circuit, having a path-generating device which comprises a U-shaped yoke with an upper and lower leg which are aligned with one another and a coil which is positioned within the yoke and can be electrically controlled, a core fixedly positioned relative to the coil and having at least a portion projecting relative to the coil and positioned in an opening in the leg of the yoke, and a tappet provided in the coil and movable relative to the core and having an end extending through an opening in one of the legs of the yoke, with a closing body or valve closing member arranged on the tappet, and with a restoring element which is arranged between the core and the tappet, a switching bushing being provided which is insertable into the path-generating device, and which is closed on one side by a base and is open on the opposite end of the base and fastening section is assigned to the open end of the switching bushing h
    Type: Application
    Filed: November 5, 2021
    Publication date: May 19, 2022
    Inventors: Eike WILLERS, Andreas AUWEDER, Markus LANG-BELZ
  • Publication number: 20220018450
    Abstract: A valve arrangement for a switching valve and to a switching valve for regulating a mass flow in a refrigerating circuit or a heating circuit, comprising a valve housing, which comprises a feed opening and a discharge opening, comprising a valve piston, which comprises a valve-closing member, which buts against a through-hole between the feed opening and the discharge opening in a closed position on a valve seat and closes the through-hole, wherein the valve seat comprises a stop surface and a sealing surface which are oriented so as to be adjacent to one another, the valve-closing member comprises a supporting surface and a gasket surface which are oriented so as to be adjacent to one another, an elastic sealing element is provided on the valve seat or the valve-closing member, on which sealing element the sealing surface or gasket surface is formed, a sealing projection is provided on the sealing surface or the gasket surface and is oriented towards the opposite gasket surface or sealing surface, the suppor
    Type: Application
    Filed: September 29, 2021
    Publication date: January 20, 2022
    Inventors: Eike WILLERS, Andreas AUWEDER, Markus LANG-BELZ
  • Publication number: 20210301928
    Abstract: A valve arrangement for a switching valve and to a switching valve for regulating a mass flow in a refrigerating circuit or a heating circuit, including a valve housing, which includes a feed opening and a discharge opening, including a valve piston, which includes a valve-closing member, which buts against a through-hole between the feed opening and the discharge opening in a closed position on a valve seat and closes the through-hole, wherein the valve seat includes a stop surface and a sealing surface which are oriented so as to be adjacent to one another, the valve-closing member includes a supporting surface and a gasket surface which are oriented so as to be adjacent to one another, an elastic sealing element is provided on the valve seat or the valve-closing member, on which sealing element the sealing surface or gasket surface is formed, a sealing projection is provided on the sealing surface or the gasket surface and is oriented towards the opposite gasket surface or sealing surface, the supporting s
    Type: Application
    Filed: February 19, 2021
    Publication date: September 30, 2021
    Inventors: Eike WILLERS, Andreas AUWEDER, Markus LANG-BELZ
  • Publication number: 20210222788
    Abstract: The invention relates to a non-return valve, in particular for a refrigeration or heat circuit, which valve can be inserted into a connection opening (26, 27, 28, 29) of a connection device (21) or of a pipe (39) and comprises:—a one-part or multi-part housing (42) which comprises at least one main housing (44), a feed opening (48) being provided on the inlet side and a discharge opening (51) being provided on the outlet side of the main housing (44), the feed opening and the discharge opening being interconnected by a flow channel (49);—a guide element (53) which is provided on the main housing (44) and by means of which a valve closing element (61) is guided slidably relative to the main housing (44), the valve closing element (61) being arranged in a starting position (42) by means of an energy accumulator (71) and the valve closing element (61) being slidable toward the discharge opening (51) against an actuating force of the energy accumulator (71) in order to be transferred into a working position (63),
    Type: Application
    Filed: May 15, 2019
    Publication date: July 22, 2021
    Inventors: Eike WILLERS, Andreas AUWEDER, Rainer MAURER, Siegfried ROTH, Uwe HELLMUTH, Bernhard WAGNER
  • Publication number: 20210190225
    Abstract: The invention relates to a non-return valve, in particular for a refrigeration circuit or thermal circuit, which is insertable into a connection point (76) of a connection device (71), which comprises a supply opening (72) for supplying a medium and an outlet opening (74) for discharging the medium, comprising a multi-part housing (12, 14), which comprises a valve housing (14) and a main housing (12), which is interconnectable by means of connection elements (41, 42) via an interface (16), comprising a regulating space (24) formed between the main housing (12) and the valve housing (14), in which space a valve-closing member (25) is provided which abuts a valve seat (23) of the valve housing (14) in a closed position (54), and closes an opening (22) in the valve housing (14) and is movable into an operating position (55) counter to an actuating force of a return element (33) and releases the valve opening (22), wherein the valve housing (14) and the valve-closing member (25), which is arranged so as to be mov
    Type: Application
    Filed: December 18, 2020
    Publication date: June 24, 2021
    Inventors: Andreas AUWEDER, Eike WILLERS, Betina JAHNKE, Bernhard WAGNER
  • Patent number: 10900576
    Abstract: The invention relates to a shaft passage and a valve having such a shaft passage, as well as a method for producing a shaft passage, in which the shaft (21) has at least one drive portion (24) to which a drive for controlling the shaft (21) can be connected and has a connecting portion (25) opposite the drive portion (24), to which an actuating member (64) can be connected, and an inner shaft portion (26) in the through-bore (22) extending at least partially in the through bore (22), and having an inner shaft seal (36) to which an operating pressure of a medium to be controlled by the actuating member (64) is applied, and having a fluid shaft seal (34) which extends in the direction of the drive portion (24), and which is arranged between the inner shaft seal (34) and the outer shaft seal (42), wherein the fluid shaft seal (34) is formed between the through bore (22) and the inner shaft portion (26) of the shaft (21) and is pressure-relieved against an operating pressure of the medium to be controlled.
    Type: Grant
    Filed: February 12, 2018
    Date of Patent: January 26, 2021
    Assignee: OTTO EGELHOF GmbH & Co. KG
    Inventors: Eike Willers, Rainer Maurer, Peter Bohnenstengel
  • Patent number: 10619899
    Abstract: A multiway valve for controlling a refrigerant circuit (12) of an air conditioning system with heat pump function has a housing (14), first inlet opening (21) connected by a first fluid channel (22) to a regulating chamber (19), a second connection opening (22) connected by a second fluid channel (26) to the regulating chamber (19), another connection opening (29, 33) connected by another fluid channel (30, 34) to the regulating chamber (19), an actuator (37) that actuates a transmission element (39) by a drive motor (38), which extends in the housing (14) between the drive motor (38) and the regulating chamber (19), and a rotary valve assembly (55) in the regulating chamber (19) and coupled to the transmission element (39) to be driven by a rotary motion, into consecutive and divergent switching or control positions between the inlet opening (21) and the connection openings (25, 29, 33).
    Type: Grant
    Filed: February 12, 2018
    Date of Patent: April 14, 2020
    Assignee: OTTO EGELHOF GmbH & Co. KG
    Inventors: Eike Willers, Joan Aguilar, Rainer Maurer, Andreas Ehmen
  • Patent number: 10215079
    Abstract: A thermostatic valve for a cooling system of an engine of a motor vehicle, having a thermostatic valve housing, on which a connection to a cylinder head of the engine, a connection to the engine block, a connection to a cooler of the cooling system and at least one connection to a bypass channel are designed, wherein a movable thermostatic operating element, a cooler valve, an engine block valve and a slide for closing the bypass channel are arranged in the thermostatic valve housing. The thermostatic valve has a first slide section is provided for closing a first opening arranged on the thermostatic valve housing and at least one second slide section for closing at least one second opening arranged on the thermostatic valve housing.
    Type: Grant
    Filed: November 30, 2015
    Date of Patent: February 26, 2019
    Assignee: MAHLE International GmbH
    Inventors: Andreas Auweder, Juergen Marx, Eike Willers
  • Publication number: 20180231283
    Abstract: The invention relates to a multiway valve for controlling a refrigerant circuit (12) of an air conditioning system with heat pump function, having a housing (14), having a first inlet opening (21) that is connected by a first fluid channel (22) to a regulating chamber (19) in the housing (14), having a second connection opening (22) that is connected by a second fluid channel (26) to the regulating chamber (19), having at least one other connection opening (29, 33) that is connected by at least one other fluid channel (30, 34) to the regulating chamber (19), and having an actuator (37) that actuates a transmission element (39) by a drive motor (38), which extends in the housing (14) between the drive motor (38) and the regulating chamber (19), having a rotary valve assembly (55) arranged in the regulating chamber (19), which is coupled to the transmission element (39) and which can be driven by a rotary motion of the transmission element (39), about the longitudinal axis (40) thereof, into several consecutive
    Type: Application
    Filed: February 12, 2018
    Publication date: August 16, 2018
    Inventors: Eike Willers, Joan Aguilar, Rainer Maurer, Andreas Ehmen
  • Publication number: 20180231134
    Abstract: The invention relates to a shaft passage and a valve having such a shaft passage, as well as a method for producing a shaft passage, in which the shaft (21) has at least one drive portion (24) to which a drive for controlling the shaft (21) can be connected and has a connecting portion (25) opposite the drive portion (24), to which an actuating member (64) can be connected, and an inner shaft portion (26) in the through-bore (22) extending at least partially in the through bore (22), and having an inner shaft seal (36) to which an operating pressure of a medium to be controlled by the actuating member (64) is applied, and having a fluid shaft seal (34) which extends in the direction of the drive portion (24), and which is arranged between the inner shaft seal (34) and the outer shaft seal (42), wherein the fluid shaft seal (34) is formed between the through bore (22) and the inner shaft portion (26) of the shaft (21) and is pressure-relieved against an operating pressure of the medium to be controlled.
    Type: Application
    Filed: February 12, 2018
    Publication date: August 16, 2018
    Inventors: Eike Willers, Rainer Maurer, Peter Bohnenstengel
  • Patent number: 9632518
    Abstract: A thermostat having a hollow body, wherein the hollow body is at least partly filled with a thermosensitive medium. A heating element is provided for heating the thermosensitive medium. The heating element is located outside of the hollow body and is at least partially insulated electrically from the hollow body. The element is connected to the hollow body in a thermally conductive manner.
    Type: Grant
    Filed: May 7, 2014
    Date of Patent: April 25, 2017
    Assignee: MAHLE International GmbH
    Inventors: Hans-Peter Klein, Eike Willers