Abstract: A vacuum gate valve includes a casing having an opening, and a valve plate that swings in the casing to open/close the opening. The vacuum gate valve further includes a position adjuster for bringing the valve plate into close contact with the casing when the valve plate is in a position where it entirely closes the casing opening. The position adjuster includes a rise/lower element for moving up and down inside the casing to come into contact with the valve plate and adjust the valve plate's position, and a raising/lowering unit for raising/lowering the rise/lower element inside the casing without friction resistance being generated between the rise/lower element and the casing.

Abstract: A lapping system includes a shaft. A stabilizing member is coupled to the shaft. A lapping tool is coupled to the shaft and spaced apart on the shaft from the stabilizing member. An adjustable force device is coupled to the shaft, the stabilizing member, and the lapping tool. The adjustable force device is operable to be adjusted in order to cause the stabilizing member to support at least some of the weight of the lapping tool. The lapping system may be coupled to a valve body having a valve face to ensure alignment of the lapping tool and the valve face while providing a controlled, vertical force from the lapping tool to the valve face.

Abstract: A method for machining a sealing seat of a shut-off valve in a power generating or industrial plant. An upper valve part and the internal housing fittings are removed from the housing of the shut-off valve to thereby expose a housing opening. A clamping device with a counter-bearing is introduced through the housing opening into the connection pipe and fastened to its inner wall. A machine tool with a bearing is introduced through the housing opening and mounted with its bearing on the counter-bearing. A machining step is carried out with the machine tool on the sealing seat. Then the machine tool is detached and removed through the housing opening. The clamping device is detached from the connection pipe and removed through the housing opening. Then, the upper valve part and the internal fittings are reattached to the housing.

Abstract: A Self Priming Gravity Wave Water Pump, Double Acting, vertically Self Adjusting incorporating a Submerged Column Platform as shown in FIG. 4A, the submerged column platform (22) can be tethered (28) or secured by a pivot to a weight (29) or fixed into the water bed (31). The column (22) can be incorporated into an additional submerged water filled column chamber (23), to operate as a hydraulic tidal adjustable column platform. The Gravity Wave Pump (9) is a wave energy converter using wave energy in the form of wave motion to displace a float (2), to lift the pumps reciprocating piston (12) and uses gravity, causing a weight (3) to push a piston down as the wave passes. The pump could pressurize piped water to a head of up to 100 meters or more and could pump pressures in excess of 150 pounds per square inch when adjusted accordingly.

Abstract: The present invention is directed to an exhaust gas recirculation valve incorporating a DC motor and a dual poppet valve assembly. A motor is contained inside of the actuator housing. The motor has a rotatable motor shaft with a first gear connected to the end of the motor shaft. A second gear is engageable to the first gear and is configured to rotate in response to the movement of the first gear and the motor shaft. The second gear is also connected to a pin member disposed through the top portion of a shaft member that has two poppet valves disposed on to the shaft. The two ends of the pin member are slidably engageable to either an upwardly or downwardly sloped ramp portion. When the second gear rotates the shaft rotates and moves upward or downward to cause the valve members to move between an open and closed position.

Abstract: A fountain includes a bowl for containing a viscous substance such as chocolate sauce. A pair of riser tubes extends upwardly from the bowl. Each riser tube has an inlet to receive the viscous substance from the bowl and a pair of augers, one within each respective riser tube. A gearbox is driven by a motor and includes a pair of output gears both driven to rotate in the same direction. Each output gear is connected to a respective one of the augers.

Abstract: A linear actuated disk valve for a fluid conveyance system constructed with a valve body having an internal chamber and a passage through the valve body, the valve body having opposite ends with external connectors that continue the passage and that are connectable to other components in the fluid conveyance system, the improvements being a displaceable cam action closure member in the chamber of the valve body, the closure member having a disk retainer assembly with a disk retainer and at least a pair of circular closure disks engageable with the disk retainer formed by a cam on the retainer and a cam track on the disk being laterally displaced on initial linear displacement of disk retainer with the disk retainer being connected to an actuator shaft with an improved sealing assembly for sealing the shaft at the top of the valve body.

Abstract: A linear actuated disk valve for a fluid conveyance system constructed with a valve body having an internal chamber and a passage through the valve body, the valve body having opposite ends with external connectors that continue the passage and that are connectable to other components in the fluid conveyance system, the improvements being a displaceable cam action closure member in the chamber of the valve body, the closure member having a disk retainer assembly with a disk retainer and at least a pair of circular closure disks engageable with the disk retainer formed by a cam on the retainer and a cam track on the disk being laterally displaced on initial linear displacement of disk retainer with the disk retainer being connected to an actuator shaft with an improved sealing assembly for sealing the shaft at the top of the valve body.

Abstract: The invention relates to an exhaust gas control valve with a first valve part (14) and a second valve part (44), which rest on one another with one side (17, 46), the valve parts (14, 44) in each case having passages (14, 45) and being rotatable relative to one another between an open position permitting the passage of exhaust gases and a closed position, blocking this passage. Webs (21 to 23), which protrude on one axial side of the first valve part (14), surround the openings (15) and, with their free narrow surfaces, form supporting surfaces for the second valve part (44), which is constructed flat on its side (46) facing the first valve part (14) and essentially rests with this surface on the narrow surfaces of the webs (21 to 23) and slides during the relative rotational adjustment, extend along the boundary edges (18 to 20), surrounding the passages (15, 45) of the first valve part (14).

Abstract: The present invention provides an apparatus and methods for controlling gas pressure within a semiconductor process chamber. The apparatus comprises a throttle valve 32 positioned downstream of the process chamber outlet for controlling gas flow therethrough. The throttle valve includes a valve body 41 having a through-hole and a plug 44 movably disposed within the valve body for controlling gas flow through the through-hole. The throttle valve incorporates an abrasive element 86 disposed within the valve body in abrading contact with an exposed surface 89 of the plug. The abrasive element effectively removes gas deposited onto the exposed surface of the valve plug during operation of the throttle valve.

Abstract: A valve in which an elastic member (26) containing a normally closed slit (28) is adapted to be selectively stretched by displacement of an actuating means, such as to stretch open the slit (28) over the outlet end (27) of a product discharge passage defined by a tube (24) and allow fluid product to be dispensed therefrom, release of the actuating means allowing the elastic member, and hence the distorted slit (28) to return to its original configuration, thereby reclosing the outlet end of the passage. The actuating means comprises a pair of relatively pivotable actuating members (30a, 30b) relative angular displacement of which is adapted to stretch open the slit (28) in the elastic member (26) over said outlet end (27) of the product discharge passage defined by the rigid tube (24).

Abstract: A system for controlling an automatic vehicle transmission, including a gear system and hydraulic clutches which hold a member of the gear system stationary to produce gear reduction or reverse, having an oil line which connects the clutches to an oil pressure source, a pressure control valve having a solenoid provided in the oil line which generates a regulated oil pressure to be supplied to the clutches in response to a current supplied to the solenoid, a switch valve provided in the oil line which switches the oil pressure to be supplied to the one of the clutches between the regulated oil pressure and a line pressure. In the system, it is discriminated whether the pressure control valve does not supply the regulated oil pressure to the clutches and if so, a dither current is supplied to the solenoid such that the valve repeatedly performs a vibrational motion to remove any grit therefrom, thereby removing grit without causing gear-shift shock or clutch vibration.

Abstract: The invention relates to a vehicle for transport of material. To allow for the pellet-like material, such as cattle feed, to be unloaded without disturbance, the height adjustable closing member of the discharge funnel is provided with a cutting edge for destruction of pellet-like material.

Abstract: An apparatus for aseptically dispensing measured quantities of sterilized particulate garnish, includes identically constructed inlet and outlet valves each having a valve body with a radial port for communication with either a header/reservoir or a product conduit, substantially cylindrical valve members positioned within the valve bodies each with a radial port which when the valve members are rotated communicate with said radial ports in the valve body, enlarged cleaning and sterilizing zones within the cylinder bores of each of the valve bodies for in-line use, and a metering valve. The radial port on the valve member has a cutting edge which is engaged in the normal course of use whenever traversed by fibrous particulate matter such as meats, vegetables, or pulpy fruit. On the suction stroke of the metering valve piston, sterilized particulate garnish is drawn from the supply header/reservoir and is delivered through the outlet valve and nozzle on the dispensing stroke of the piston.

Abstract: For producing the seat or valve member of a labyrinth valve a number of rings of different diameter are placed one inside the other as a workpiece with their blade-like edges turned in the same direction. The group of rings is then slipped over the middle guide or stem of a jig so that the downwardly turned blade-like edges on the rings come to rest against upwardly directed ring-like blades on the jig. These blades are designed with a form answering to the form of the other valve part with which the workpiece is to be used. The rings in the workpiece are pressed down against the blades for leveling them and are then welded together, for example by electron beam welding.

Abstract: A slide valve with a slightly wedge-formed valve member arranged to close a flow duct by a cross-wise movement relative to the duct. There are annular sealing surfaces surrounding the flow duct and they are engageable by sealing side portions of the valve member for closing the valve. The sealing side portions of the valve member are considerably narrower than the annular sealing surfaces of the flow duct and are, in the closing position of the valve, located at a relatively great distance from the inner edge of the annular sealing surfaces. The sealing side portions of the valve member are of a softer material than the annular sealing surfaces, and hence, are subject to a repeated grinding against the annular sealing surfaces, when operating the valve. The sealing side portions of the valve member may be located each to a separate slide unit journalled in a body portion of the valve member. The slide units are in that case arranged to be slightly rotated by the opening movement of the valve.

Abstract: A self-cleaning valve includes a fixed valve member having inlet means, a movable valve member positioned adjacent the fixed valve member and having an inlet port movable into register with said inlet means, and seal means carried by the fixed valve member and in sealing engagement with the movable valve member. A shear member is positioned on the opposite side of the movable valve member from the seal means and is in intimate contact with the movable valve member. Movement of the movable valve member to control the flow of fluid passing from the inlet means to the inlet port causes the inlet port to slidingly move adjacent and between the shear member and the fixed valve member to remove or break up foreign material held by the inlet port.

Abstract: A self-cleaning valve plug and seat assembly for use within a valve chamber comprises a seat member extending into the chamber and having an inwardly converging frustconical seating surface thereon. A cylindrical skirt portion extending inwardly coaxially from the seating surface includes ports therein connecting with a fluid passage extending axially through the seat member. A valve plug includes a cylindrical bore extending partway thereinto and adapting the plug for sliding movement over the seat member skirt portion. The plug includes a surface intersecting the bore at an actute angle to provide a circular cutting edge at the open end of the bore. Means are provided for moving the plug axially toward and away from the seat member so that the plug is disposed clear of the seat member ports in the open valve position and covers the ports in the closed valve position with the plug cutting edge engaging the seating surface of the seat member in fluid-tight sealing relation.

Abstract: A device for rotating a reciprocating valve executing alternating opening and closing strokes has an overrunning clutch coupled to the valve stem; a control lever; a first articulation connecting the control lever to the overrunning clutch; and a second articulation supporting the control lever at a distance from the overrunning clutch. The control lever is arranged to impart to the overrunning clutch a torque derived from the reciprocating motion of the valve. The overrunning clutch transmits the torque to the stem for effecting rotation thereof about the stem axis solely during the closing strokes. The second articulation is situated at a predetermined fixed location selected such that a line connecting the articulations defines a first angle with the valve stem axis at the end of each closing stroke and a second angle at the end of each opening stroke. The first angle is acute and the second angle is at the most 90.degree. and is greater than the first angle.