Abstract: The invention relates to a device for making contact between a solenoid and an electronic control unit arranged neighboring a valve block, wherein the solenoid projects away from a side wall of the valve block by a magnetic coil and a magnetic core, contact elements being arranged in an end face region of the solenoid facing towards the valve block in such a way that the contact elements can be directly electrically connected to corresponding contact elements arranged on a wall of the electronic control unit or of the valve block.

Abstract: In a manifold valve, a magnet is mounted to a spool of a solenoid valve, magnetometric sensors and connecting pins to be brought into continuity with the respective magnetometric sensors are provided in a first recessed portion formed in a casing, a sensor connector in a second recessed portion and a main wiring substrate connected to the sensor connector in a substrate housing chamber are provided to a manifold base, and the connecting pins are connected to the sensor connector to thereby electrically connect the magnetometric sensors to the main wiring substrate when the solenoid valve is mounted onto the manifold base.

Abstract: An improved apparatus and method are provided for irrigation systems such as automated sprinkler systems. A pre-assembled housing or valve box includes an inlet for receiving water and one or more outlets for distribution of water to other components in the irrigation system, and also includes manifolding and power and valve means for selectively controlling the flow of water from the outlets. Many of the manifold components are integrally molded with each other and provided in modular form so that the system can be relatively compact and can be customized into a variety of configurations. The manifold can consist of or include integrally formed or interconnected valve bases. The electrical power system includes a main terminal box with power lines leading to connectors adjacent each outlet, so that solenoid valves may be readily connected thereto and replaced as necessary. O-rings, non-conducting gel, and similar mechanisms are provided to ensure the water-tightness of the electrical connections.

Abstract: In a fuel injection valve, an adjustment pipe made of stainless steel and for adjusting a compression amount of a spring biasing a valve member is press-fitted into a cylindrical housing made of stainless steel, and a fuel injection amount is adjusted by adjusting a spring force of the spring in accordance with a press-fitted amount of the adjustment pipe. The adjustment pipe is immersed in an oxalic acid solution so that an oxalate film is formed thereon before being press-fitted into the cylindrical housing. Therefore, the oxalate film prevents a direct press-contact between an outer peripheral surface of the adjustment pipe and an inner peripheral surface of the cylindrical housing.

Abstract: A solenoid valve has an electromagnet subassembly and a pneumatic switching subassembly. A valve plug is mechanically associated with the electromagnet subassembly, the pneumatic switching subassembly includes a body enclosing the valve plug trapped between two sealing seating facing each other. The movement of the valve plug is controlled firstly by a spring located in a mobile core of the electromagnet subassembly through a pusher, and secondly by a means that forces the valve plug into contact on the upper seating of the pneumatic switching subassembly when the electromagnet is energized. The electromagnetic subassembly has four cylindrical pins at its assembly plane on the pneumatic switching subassembly, each cylindrical pin being provided with a transverse cavity formed on the generating line of the pin and terminating with a frustum of a sphere. The pneumatic switching subassembly includes four cylindrical cavities as its assembly plane with the electromagnet subassembly.

Abstract: A canister purge valve for use in an evaporative emission control system. The valve includes a housing having an inlet port and an outlet port. The housing further includes a guide element having a bobbin section. A valve shaft is slidably mounted to the guide element, wherein the valve shaft includes a permanent magnet and a valve element. The valve element is movable between a closed position wherein the inlet port is closed and an open position wherein the inlet port is opened. A pick coil is formed on the bobbin adjacent the magnet. The pick coil generates a first magnetic field having a polarity that is oriented to cause a magnetic attraction with the magnet to move the magnet and thus the valve element to the open position. In addition, a release coil is formed on the bobbin adjacent to the magnet, wherein the release coil generates a second magnetic field having a polarity that is oriented to cause the magnet to be repelled to move the magnet and thus the valve element to the closed position.

Abstract: An evaporative control valve for a vehicle. The valve has a valve body for containing a solenoid that manipulates a plunger between an open position and a closed position the plunger has a valve end. The valve body also has a receiving area, a first port, as well as a conduit for connecting the first port to the receiving area. A port member is received and engaged within the receiving area and the port member provides a passageway from the receiving area to outside the valve body and the valve end seals the passageway when the plunger is in its closed position. The port member is inserted into the receiving area by a guide pin and the guide pin sets the stroke of the plunger as it is inserted into the receiving area.

Abstract: An electromagnetic valve having a high coupling strength between a valve portion and a solenoid portion is secured at a low cost without large-sizing the solenoid portion. Recessed portions positioned on one end side of a valve body and having inner wall faces formed by inclining faces that incline from the one end side of the valve body to the other end side towards its depth are provided on a valve body side face positioned on one end side of the valve body to be opposed to each other. Cuttings for forming caulking pieces are positioned corresponding to the recessed portions on the side wall on an opening side of a magnetic case.

Abstract: A combination solenoid operated flow control valve and solenoid operated by-pass valve and pressure transducer are disposed in a common housing with a common electrical receptacle for connection thereto. The pressure transducer senses differential pressure across a metering orifice. The pressure transducer measures flow through the metering orifice during leak testing. A vacuum is drawn in the system for leak testing. The by-pass valve is opened to bypass the metering orifice and permit full flow to the flow control valve during normal engine operation.

Abstract: A pressure regulator having a valve cartridge adapted to be removably held within its housing, said cartridge having a frame carrying and positioning a valve seat, a valve member, a valve stem, and a spring. The valve cartridge ensures correct spacing between the valve member and the valve seat. Difficulties in pressure regulation may be quickly rectified and pressure flow characteristics may be altered by removing and replacing the valve cartridge. Another aspect of the invention discloses a multiple pressure regulator comprising: a housing adapted to removably house two valve cartridges; an inlet opening into the housing; an outlet opening from the housing; and two valve cartridges adapted to be removably held within the housing. Each of said cartridges similar to those described above.

Abstract: The positioning of the actuating drive in a fuel injector with a piezoactor (2) that is screwed into the housing (1) of the fuel injector is performed by applying a voltage (U) to the piezoactor (2) that corresponds to a given idle stroke (h), and the surface grinding of the housing (3) and base plate (4) of the piezoactor (2) when voltage is applied. Between the housing (1) of the fuel injector and the housing (3) of the piezoactor (2), there is also provided a compensation collar (9) of a suitable thickness.

Abstract: A method for controlling a solenoid using a single coil solenoid for both course and fine adjustment. A resistor or series of resistors may be used in parallel/for current controlled solenoids or in series for voltage controlled solenoids for allowing course or finite control of the solenoids.

Abstract: A solenoid valve has a valve body with an inlet and an outlet and a valve seat therebetween. A valve member is selectively engageable with the valve seat for controlling the flow of fluid from the inlet to the outlet. A biasing device is engageable with the valve member for holding the valve member against the valve seat. A solenoid assembly is mounted upon the valve member for moving the valve member away from the valve seat. A mounting arrangement is interposed between and connects the valve body and the solenoid assembly in a rotary, frictional engagement.

Abstract: A valve assembly includes a valve with a bobbin/valve body, a solenoid and a plunger. The bobbin/valve body is formed in one piece, and defines all of the valve's inlet/outlet ports and forms the entire support structure for the solenoid and the plunger. The valve may be connected to a manifold by press-fitting port nipples of the valve into corresponding channels in the manifold. The manifold is formed of a resilient, elastomeric material, and the port nipples include radial projecting barbs, which enable the valve to be fluidly-connected to the manifold without additional O-ring seals or other mechanical sealing devices. Fittings with barbs can likewise be press-fit in other channels of the manifold to connect the valve assembly with fluid lines or other components in the fluid system. The fittings can also be provided unitary with the manifold, and/or adhesively attached to the manifold and/or to the fluid lines and other components.

Abstract: The invention relates to a proportional valve, especially for regulating the shifting pressure in an automatic transmission for a motor vehicle. The inventive valve is subdivided into a hydraulic section and into an electric section by a magnetic interface (XXXX). The bearing points (1, 2) of the hydraulic valve slide are arranged on the side of the valve opposite the electric coil, i.e. in the hydraulic section, so that the armature (5) projects into the coil space in a floating manner.

Abstract: A valve comprising an electromagnetic solenoid assembly, a valve assembly, and a fastening device is provided. The fastening device is configured to removably couple the electromagnetic solenoid assembly to the valve assembly. The fastening device is retained by the electromagnetic solenoid assembly when the electromagnetic solenoid assembly is uncoupled from the valve assembly. The valve assembly may include a valve body having a valve seat surface and a valve element having a seating surface to seat against the valve seat surface. The valve seat surface may include a resilient sealing element and a hard stop element, such that the valve element in a closed, seated position provides a substantially zero leakage valve closure.

Abstract: A water valve assembly includes a valve body having defined therein (i) an inlet, (ii) an outlet, (iii) a central cavity, and (iv) a component access opening, wherein fluid advancing into the valve body through the inlet must pass through the central cavity before exiting out of the valve body through the outlet, and further wherein the component access opening is configured so that a valve component may be advanced into the central cavity through the component access opening. The water valve assembly further includes a retaining bracket having a retaining portion positioned in relation to the valve body so as to block advancement of the valve component from the central cavity to a location outside of the valve body through the component access opening.

Abstract: An irrigation valve comprises a valve housing made from a valve body joined to a valve bonnet by a plurality of attachment screws. The valve body and valve bonnet have an alignment rib received in an alignment notch when the body and bonnet are joined together such that the holes that receive the attachment screws are automatically aligned with one another. The attachment screws have a smooth portion adjacent a threaded portion such that the smooth portion when visible signals to the user that the attachment screws are clear of the valve body but are still captured in the valve bonnet. The valve includes a solenoid that may be remotely actuated to open the valve. An L-shaped actuator arm is also operatively connected to the solenoid for manually opening the valve with the upper portion of the actuator arm being closer to the user than in previous valves and thus easier to grip and turn.

Abstract: A technique of assembling a solenoid operated valve to a hydraulic manifold in which the manifold has provided thereon undercut stanchions disposed on opposite sides of a cavity communicating with fluid valving passages. A U-shaped bracket with a central aperture is received over the solenoid and a first pair of tabs which engage lugs disposed respectively on opposite sides of the valve body function to prevent relative rotation between the bracket and valve. The bracket has a pair of oppositely extending resiliently deflectable spring arms each having a pair of second tabs thereon; and, the spring arms are deflected on the stanchions upon user insertion of the valve body into the cavity. The spring arms resiliently engage the undercuts to prevent removal of the valve, and the second tabs engage the sides of the stanchions to prevent relative rotation of the bracket and valve.

Abstract: The present invention relates to a pressure control valve including a valve housing which houses a valve seat in a housing opening, a valve closure member which is movable into abutment on the valve seat and adapted to interconnect or isolate pressure fluid channels connected to the valve seat, a bore in a guide element for the accommodation of the valve closure member which is axially movably supported on the wall of the valve housing. The valve closure member is attached in the guide element by way of a simplified press fit in conformity with the demands of automation. The assembly of the valve coil is simplified in addition.

Abstract: Solenoid operated fluid control valve is connected to a housing of fluid circuit by a twist-on, fluid tight connection between the housing and a solenoid assembly of the fluid control valve. The solenoid assembly has an armature movable in response to electrical current to a wire coil wound on a bobbin in a solenoid housing for controlling position of a movable valve located in a valve body thereof. The control valve includes a valve-receiving nozzle or body with compressible annular fluid seal on a region thereof that is received within the fluid circuit housing. The solenoid bobbin includes a plurality of connection tabs spaced peripherally apart and adapted to be initially received in entrances to an arcuate groove on the fluid circuit housing.

Abstract: A valve system for the pre-engagement unit of a vehicle braking pressure modulator contains solenoid valves, which are controlled by an electronic braking system. Pneumatic pressure is fed into a brake cylinder on the vehicle wheels via a pressure regulating channel of the pre-engagement unit. The solenoid valves are configured as cartridge solenoid valves, so that assembly is simplified, and utilization of elastic tolerance compensating elements is unnecessary. A preferred embodiment includes three cylinder bodies connected end-to-end with no increase in cylinder diameter. This embodiment enables the use of identical armatures and identical magnet coils for different valve types, such as 3/2-way solenoid valves or 2/2-way solenoid valves. Also, these valves may be configured as normally open or normally closed, with identical outside dimensions. As such, three cartridge solenoid valves can be combined into a compact triple valve cartridge unit that further simplifies the assembly process.

Abstract: A method for assembling a hydraulic control unit of a vehicular brake system includes the following steps of: providing a sleeve having a closed end; sliding a spring over an armature to form an armature/spring subassembly; orientating the armature subassembly to produce a normally open valve or a normally closed valve; sliding the oriented armature/spring subassembly into the sleeve; sliding a valve seat into the sleeve; crimping a portion of the sleeve onto the valve seat to form a sleeve/valve seat subassembly; inserting the sleeve/valve seat subassembly into a bore of a housing. Two additional steps can be combined with the above listed steps to provide a method of assembling the control valve subassemblies described above on a hydraulic control unit. The additional steps include: inserting the sleeve/valve seat subassembly into a bore in a housing; and pressing a coil assembly about the sleeve.

Abstract: An actuator mounting device for mounting an actuator having an actuator housing to a support structure associated with a fluid flow control unit. The actuator mounting device includes a mounting bracket and a pair of guide members. The mounting bracket includes a pair of spaced side walls, a rail extending from each side wall, and a stop. The pair of spaced side walls define a leading end and a trailing end. Further, each of the side walls has a base portion securable to the support structure. Finally, the stop is positioned at the trailing end of the spaced side walls. The pair of guide members are each configured to be mountable to an opposing side of the actuator housing and each include an engagement surface configured to slidably engage one of said rails. During assembly of the actuator to the support structure, the rails direct the guide members to a secured position at which the actuator housing is connected to the stop.

Abstract: A water valve assembly includes a valve body having defined therein a central cavity and a bracket-receiving opening. The valve assembly also includes a first valve component positioned in the central cavity of the valve body. Moreover, the water valve assembly includes a retaining bracket having a flange which has a crimped end portion defined therein. The flange is positioned in the bracket-receiving opening so as to retain the first valve component in the central cavity of the valve opening. The crimped end portion of the flange contacts the valve body so as to retain the flange in the bracket-receiving opening. A method of making an appliance water valve assembly is also disclosed.

Abstract: In a fuel injection valve, an adjustment pipe made of stainless steel and for adjusting a compression amount of a spring biasing a valve member is press-fitted into a cylindrical housing made of stainless steel, and a fuel injection amount is adjusted by adjusting a spring force of the spring in accordance with a press-fitted amount of the adjustment pipe. The adjustment pipe is immersed in an oxalic acid solution so that an oxalate film is formed thereon before being press-fitted into the cylindrical housing. Therefore, the oxalate film prevents a direct press-contact between an outer peripheral surface of the adjustment pipe and an inner peripheral surface of the cylindrical housing.

Abstract: An irrigation valve comprises a valve housing made from a valve body joined to a valve bonnet by a plurality of attachment screws. The valve body and valve bonnet have an alignment rib received in an alignment notch when the body and bonnet are joined together such that the holes that receive the attachment screws are automatically aligned with one another. The attachment screws have a smooth portion adjacent a threaded portion such that the smooth portion when visible signals to the user that the attachment screws are clear of the valve body but are still captured in the valve bonnet. The valve includes a solenoid that may be remotely actuated to open the valve. An L-shaped actuator arm is also operatively connected to the solenoid for manually opening the valve with the upper portion of the actuator arm being closer to the user than in previous valves and thus easier to grip and turn.

Abstract: The magnetic valve (16,17) is arrangeable in a multipart housing (12) and includes a coil-part group (64,128) and a valve subassembly (138). The valve subassembly (138) is arrangeable in a valve seat (94,95) provided in a housing (12). The valve subassembly (138) includes a punched seat disk (170) and a punched and deep-drawn valve cap (152), which extend into the valve seat (94,95). A pin insert (214,224) is provided between the valve cap (152) and the seat disk (170). The pin insert (214,224) is connected with one end of a longitudinally slidable pin (202) attached to an armature (194). The magnetic valve can be operated to alternately connect a consumer connection (A) with an inlet connection (P) or a return connection (T). A module (10) including a pair or pairs of these magnetic valves (16,17) is also disclosed. Each pair of valves can includes one valve that is open and another valve that is closed when current flows through their coils.

Abstract: A micro-mass flow controller (10) has a sonic choked flow restriction (28) with an oscillatable valve (26) for repetitiously opening and closing the sonic choked flow restriction (28) in a time-modulated sequence to set or vary mass flow rate of gas through the sonic choked flow restriction (28) over a period of time to something between no flow and maximum mass flow rate. A bimorph piezoelectric actuator (40) is coated in a sputtered dielectric layer (78) and then encapsulated in stainless steel or other metal cladding (80). A closure member (46) on the actuator (40) is registered to a valve seat (70) by actuating the actuator (40) to force the closure member (46) in a puddle of adhesive (86) against the valve seat (70) until the adhesive (86) cures.

Abstract: A rotary channel-selector valve is provided, which includes: a valve-seat plate covering one end of a cylindrical valve housing and provided with low and high pressure ports and two switching ports all connecting the inside and the outside of the valve; and a main valve element accommodated in the valve housing and provided with low and high pressure connecting grooves on one end surface thereof, wherein one (or the other) of the switching ports communicates with the low pressure port through the low pressure connecting groove and simultaneously the other (or one) thereof communicates with the high pressure port through the high pressure connecting groove at a first (or second) channel-switching position of the main valve element.

Abstract: Apparatus for safely installing and removing spring loaded failsafe valve actuators. The apparatus includes a frame that retains a compression spring in a loaded condition between a cover plate fastened to the top wall of the frame and a spring seat slidably contained inside the frame. The spring seat is attached to the valve stem for moving reciprocally therewith between a closed and an open position. The stem is connected to the extendable rod of a remotely controlled actuator that is mounted in the cover plate and arranged to move the stem between the closed and open positions. In the event the actuator fails while the valve is in an open position, the compressed failsafe spring is released to rapidly close the valve.