Otto Egelhof Gmbh & Co. Kg

Mahle International Gmbh

Behr Thermot-Tronik Gmbh

Mahle Behr Kornwestheim Gmbh

Andreas Auweder

Eike Willers

Rainer Maurer

Jürgen Kunze

Immanuel Buschatz

Markus Lang-Belz

Bernhard Wagner

Siegfried Roth

Bert Hiller

Jürgen Marx

Juergen Marx

Stefan Beurer

Betina Jahnke

Uwe Hellmuth

Martin Holzhauser

Karin Mößner

Eike Dr-Ing Willers

Immanuel Dipl-Ing Buschatz

Markus Lang

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 supporting surface of the valve-closing member and the stop surface of the valve seat but against one another in the closed position and form a travel limitation between the valve-closing member and the valve seat, and the sealing projection is at least partially pressed into the sealing element.

Valve arrangement and switching valve for regulating a mass flow

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 has a core-tappet section with a cylindrical lateral surface extending between the base and the fastening section and in which at least the core is received and the tappet is guided and the fastening section opposite the base has at least one circumferential shoulder or circumferential collar directed outwardly relative with respect to the core-tapped-section.

Switching valve and valve arrangement with such a switching valve for controlling a mass flow

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 () of a connection device () or of a pipe () and comprises: &#x2014;a one-part or multi-part housing () which comprises at least one main housing (), a feed opening () being provided on the inlet side and a discharge opening () being provided on the outlet side of the main housing (), the feed opening and the discharge opening being interconnected by a flow channel (); &#x2014;a guide element () which is provided on the main housing () and by means of which a valve closing element () is guided slidably relative to the main housing (), the valve closing element () being arranged in a starting position () by means of an energy accumulator () and the valve closing element () being slidable toward the discharge opening () against an actuating force of the energy accumulator () in order to be transferred into a working position (), and the energy accumulator () being provided between the valve closing element () and the main housing (), the guide element () of the main housing () having at least one through-hole () and at least one guide rod () being guided in said at least one through-hole (), which rod at least extends from the valve closing element () through the at least one through-hole () and is secured against release from the through-hole (), or the guide element () being designed as a sleeve () having a bottom (), which is associated with the discharge opening (), and the valve closing element () having a guide portion () which acts on the sleeve ().

Non-return valve, in particular for a refrigeration or heat circuit

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 surface of the valve-closing member and the stop surface of the valve seat but against one another in the closed position and form a travel limitation between the valve-closing member and the valve seat, and the sealing projection is at least partially pressed into the sealing element.

The invention relates to a non-return valve, in particular for a refrigeration circuit or thermal circuit, which is insertable into a connection point () of a connection device (), which comprises a supply opening () for supplying a medium and an outlet opening () for discharging the medium, comprising a multi-part housing (), which comprises a valve housing () and a main housing (), which is interconnectable by means of connection elements () via an interface (), comprising a regulating space () formed between the main housing () and the valve housing (), in which space a valve-closing member () is provided which abuts a valve seat () of the valve housing () in a closed position (), and closes an opening () in the valve housing () and is movable into an operating position () counter to an actuating force of a return element () and releases the valve opening (), wherein the valve housing () and the valve-closing member (), which is arranged so as to be movable in the regulating space (), lie on a common longitudinal axis (), wherein the interface () between the valve housing () and the main housing () has axial play, by means of which the distance between the valve housing () and the main housing () is modifiable.

Non-return valve and connection device for a non-return valve

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.

Thermostatic valve

A thermostatic valve to connect a heat source, in particular a gear drive, with a heat exchanger, particularly a motor vehicle. The thermostatic valve having a thermostatic valve housing with a first inlet connection for a first inlet port and a second inlet connection for a second inlet port, as well as a first outlet connection for a first outlet port and a second outlet connection for a second outlet port. The thermostatic valve further including a moveable working element in an intake opening of the thermostatic valve housing to open and close the inlet and outlet ports and a separate restriction element provided in the thermostatic valve housing between the first inlet connection and the first outlet connection.

Thermostatic valve with a restriction element and bypass port arranged between a first inlet connection and a first outlet connection

The invention relates to a thermostat valve for a cooling system of an internal combustion engine with a coolant stoppage function, comprising a first bypass valve element and a second bypass valve element, a main valve element to be arranged in a counterpart to a connection to a coolant radiator, and a crossmember to be arranged between an engine outlet and an engine inlet, which crossmember forms a valve seat for the first bypass valve element and the second bypass valve element, wherein, on its outer side, the crossmember has a collar which forms an axial supporting region for the counterpart and which is loaded in the axial direction by a compression spring, with the result that the collar is forced in the direction of the counterpart.

Thermostat valve with coolant stoppage function

The invention relates to a thermostat insert having at least one return spring, a thermostatic working element having a working piston that can be pushed out of a housing of the working element against the force of the return spring, a main valve element, and a short circuit valve element connected to the working element displaced when the working piston is pushed out of the housing, a base element implemented as a base plate, and a brace on which the return spring is supported, wherein the brace is mechanically connected to the base element, so that the return spring is enclosed in a cage-like manner, and the exterior of the brace has a closed peripheral collar seated against a slanted sealing surface of a counterpart after installation that is loaded by the return spring so that the brace is sealingly forced in the direction of the slanted sealing surface.

Thermostat insert

A thermostatic valve for a cooling system in an internal combustion engine. The valve includes a common short-circuit element () having a short circuit valve gate () and a short circuit valve disc () and is arranged upstream in the extending direction of the thermostatic working element (). A common valve seat is provided, wherein an overpressure valve () opening into the mixing chamber () is provided in the common valve seat.

Thermostatic valve for cooling system of an internal combustion engine

In a thermostatic valve for connecting an automatic transmission with an oil cooler, wherein the connection between an inlet conduitfor oil coming from the transmission and an outlet conduitto the oil cooler is released or blocked by valve slider element, which is actuated by a thermostatic actuating elementand is spring-loaded by a restoring spring, the valve slider elementwith the restoring springis designed as a pressure-control valve which, with the open connection between the inlet conduitfor oil coming from the transmission and the outlet conduitto the oil cooler, opens a bypass conduitwhen a predetermined pressure of the oil is exceeded.

Thermostatic valve for connecting an automatic transmission with an oil cooler

A thermostatic valve for a cooling system of an internal combustion engine, having a thermostatic operating element for arrangement in a distributing chamber as the drive element for a main valve element between an engine outlet and a connector to a coolant cooler, and for a bypass valve element designed as a valve slide arranged between the engine outlet and an engine inlet to serve as a pressure control valve. In addition to the valve slide (') the bypass valve element (&#x2032;) is provided with a valve disk (&#x2032; arranged upstream of the valve slide (&#x2032;) in the extension direction of the thermostatic operating element (&#x2032;), and a component () is assigned to the valve disk (&#x2032;), as a valve seat for the valve slide (&#x2032;) and a valve seat for the valve disk (&#x2032;).

In a valve housing, which is constituted by an section of an extruded billet material, into which are formed inlet and outlet conduits, which are substantially arranged in a common plane, and a receiving borefor at least one valve element, arranged transversely in relation thereto, the billet material is formed as a profiled element provided with ribswhich project from a substantially parallelepiped base body and in which ribs the inlet and outlet conduitsopen.

Growing community of inventors

Vaihingenenz, Germany

Andreas Auweder