Abstract: A valve for regulating the passage of a fluid through pipes, in particular pipes having a large diameter, has a valve housing and a valve unit. The valve unit includes a spindle movable in vertical direction in the housing and is connected to a valve disk which reciprocates in a flow cylinder having a perforated casing. The spindle is further connected to a lifting cylinder which provides the movement of the spindle and the valve disk between a shutoff position and an open position. The valve unit of the valve is insertable into the housing and removable therefrom in its entirety without necessitating a dismantling of the housing.

Abstract: A ball valve connector of the frangible crashworthy type wherein two fluid flow connector body halves are interconnected by fracturable elements. Each body half includes a ball valve within a flow passage pivotally mounted on diametrically located pins. The pivot pins and valves are capable of displacement in the axial direction of fluid flow to compensate for manufacturing tolerances and provide maximum sealing characteristics. Each valve is rotatable 90.degree. between open and closed positions, and a stop projection defined on each valve cooperates with a spring biased stop ring providing positive retention of the valve in the closed position.

Abstract: A firestop fitting (10, 30) for mounting on a water closet carrier (200, 300) is described. The fitting includes a releasable plug (13) and is used for preventing the spread of fire through plastic pipe between floors of a building.

Abstract: An in-line repairable top entry floating ball valve having internal components that are replaceable through an access opening, closed by a valve bonnet, while the valve body is located within a flow line. The valve mechanism is provided with seats which may be of resilient nature and are sealed with respect to the spherical plug member by means of ball/seat spaces having interference sealing engagement between the plug and seats. The ball/seat spacers form sealing surfaces at one axial end for sealing engagement with the spherical plug member and sealing surfaces at the opposite axial end for sealing engagement with the seats and in spherically concentric relation with the plug to thus permit installation and removal of the ball/seat spacers in an arcuate motion about the spherical surface of the plug.

Abstract: There is disclosed a reset mechanism particularly adapted for use within a magnet valve in which the reset mechanism comprises a passageway within the valve housing connecting the inlet and outlet passages in which a reset valve normally interrupts a communication between the inlet and outlet side of the said reset passage to permit normal operation of the magnetic valve and to permit normal fluid flow through the inlet and outlet passages thereof prior to movement of said magnetic valve from its normally open to its normally closed position.

Abstract: A fluid control valve for protecting a cryogenic fluid circuit comprising a spring biased plug-type control element that is held closed by a spacer meltalile in the presence of fire.

Abstract: A heat sensitive valve including a body having an inlet, an outlet, a valve chamber and a valve seat surrounding the opening between the inlet and the outlet, a bonnet connected to the body with a bore therethrough in communication with the valve chamber, a valve member positioned in said valve chamber and coacting with said valve seat to open and close flow through said valve, a stem connected to said valve member extending through the bore of said bonnet, a pressure responsive actuator connected to said stem with means of supplying and venting pressure fluid to an from said actuator, a housing secured to the bonnet, a linkage supported by said housing in an extended position, having means for engaging the outer end of the stem, heat sensitive means for retaining the linkage in its extended position supporting the stem and means biasing the linkage away from its extended position when said heat sensitive means releases the linkage to thereby remove support retaining said valve member in its innermost positio

Abstract: A pressure regulator having a housing with a chamber disposed therein. A diaphragm is sealingly connected around the inner periphery of the housing for dividing the chamber into two parts. A first port is fluidly connected to a first part of the chamber and is adapted to be attached to a fuel return line. A second port is fluidly connected to the first part of the chamber and is adapted to be fluidly attached to a fuel rail having fuel injectors attached thereto. A third port is fluidly connected to the second part of the chamber and is adapted to be fluidly connected to an intake manifold of an internal combustion engine. A resilient flat washer is attached around the outer periphery thereof to the housing, adjacent to the first part. An elongated valve member is disposed in the first part of the chamber and has one end thereof adapted to be selectively and sealingly received within the opening in the washer.

Abstract: A machine tool having a tool spindle rotatable about a horizontal axis provided with first and second tool magazines and first and second tool transfer devices. The first tool magazine removably stores a plurality of small diameter tools, with the axes of the small diameter tools extending horizontally. The first tool transfer device transfers the small diameter tools between the first tool magazine and the tool spindle. The second tool magazine is installed on the floor at one side of a column of the machine tool in a horizontal direction perpendicular to the tool spindle and removably stores a plurality of large diameter tools, with the axes of the large diameter tools extending vertically. The second tool magazine is provided with a turnover mechanism, which pivotally moves a large diameter tool indexed to a large tool removal position so as to lay the large diameter tool horizontally in parallel relation with the tool spindle.

Abstract: A pivotally adjustable valve disc has a ring seal set in its grooved periphery for contact with a wall of a valve accomodating bore. A flexible, radially expansible member is in the valve groove in a backing relation to the ring seal. Passages admit pressure fluid from the upstream side of the valve disc to the valve groove where the applied pressure is exerted through the radially expansible member toward a radial expansion of the ring seal. In its pressured contact with the seal, the radially expansible member blocks pressure fluid escape through gaps and interfacial joints therein.

Abstract: There is disclosed a fluid control device including housing, a fluid flow passage therein, and a fluid outlet passage communicating with said fluid inlet passage. Within the housing is a reciprocating valve capable of permitting or precluding communication between the inlet and outlet passages, the valve constituting a ferromagnetic armature susceptible to receiving an electromagnetic induction of a magnetic axis along its axis of reciprocation, such a magnetic axis generally corresponding to the longitudinal center of a fluid-tight chamber within said housing within which the valve may reciprocate. The valve is provided with a flow-responsive first radial end face disposed within a region of communication between the inlet and outlet passages. A fluid control device also includes a magnetic stator wound about the housing in the region of the reciprocating valve when the valve is in its open position.

Abstract: A fluid-tight connection between a pair of pipes containing hydraulic fluid is formed by a pair of connectors of the invention. Each connector has a body part engaged respectively with the pipes, the body parts being coupled together by a coupling sleeve which engages a shoulder 20 of one of the body parts and is locked to the body parts by a circlip 23 engaged within grooves 22 and 25 respectively in the other body part and the sleeve. Each body part has a respective seal member each incorporating a diaphragm sealing over an end of its associated body part and a bead engaging the internal wall of the sleeve. Air trapped between the diaphragms is expelled past the seal members during insertion of the connector parts into the sleeve. Application of system pressure subsequently ruptures the diaphragms to establish communication between the pipes and urges the seals outwardly to seal against leakage of system fluid.

Abstract: In accordance with the invention, a full opening check valve is provided which will close in response sustained high velocity flow through the valve. In one embodiment, a downhole blowout preventer is provided having a rigid outer sleeve which may be interspaced within a casing string near its lower end for insertion into a bore hole. The downhole blowout preventer has an inner sleeve including an upwardly longitudinally collapsible tube within the outer sleeve. The tube may be composed primarily of rubber or the like. The inner sleeve includes a surface for developing an upwardly acting collapsing force responsive to the upward flow of well fluids through the blowout preventer.

Abstract: A rocker arm for a valve of a combustion engine comprising a lever arm with an offset end portion arranged in parallel to the longitudinal axis of the rocker arm. On a side face of said lever arm offset portion there is fixed an element for adjusting the valve clearance, oriented along the longitudinal axis of the rocker arm.

Abstract: A fuel pressure regulator comprising a housing, a diaphragm dividing the housing into a first chamber and second chamber, a passage from the exterior of the housing to the first chamber, an inlet and an outlet associated with the second chamber of the housing, and a valve seat associated with the outlet. A cage is mounted on and movable with the diaphragm and a spring within the first chamber yieldingly urges the cage toward the valve seat. The cage supports a pair of plates which retain a valve ball. The first plate has an opening through which a portion of the ball projects and a second plate retains the first plate and the ball within the cage. The first plate is movable transversely to provide for proper centering of the ball in the valve seat. A light spring extends between the cage and the ball to urge the ball against the first plate.

Abstract: A sealing mechanism for a pair of conduits held together by means of a frangible connector is described. Each conduit has a center pivoted butterfly valve with valve discs which are spring biased to a closed position. The valve discs are mutually abutting and normally hold each other open, but are released when the frangible connector is broken. Each disc is pivoted about an offset from a pivot support member, and the inner conduit walls are tapered between the open and closed positions of the disc so as to reduce the turning friction between the disc and the conduit walls. A mechanism for positively closing and latching the disc is a closed position is described. This mechanism is contained in a housing which is sealed off from the fluid containing portion of the conduit.

Abstract: A pressure regulator valve for use in fuel systems for internal combustion engines which includes a two-part housing lamination with a diaphragm between the bottom and top housings and a valve back-up pad above the diaphragm. The diaphragm is responsive to fuel pressure and will open a valve to by-pass fuel to a fuel tank. A centering diaphragm functions to locate a back-up pad above the valve seat. In one embodiment, the regulator valve pad controlled by the diaphragm is dimensioned with a diameter significantly larger than the effective valve seat area to insure full valve seat opening even when the valve pad is cocked slightly relative to the valve seat area. A press-on spring cap or cup allows calibration of the unit during assembly with a strike-in to fix the calibration in a tamperproof structure.

Abstract: A throttle valve for regulating the introduction of a fuel-air mixture into an internal-combustion engine is provided with a return spring system. The return spring system includes a first coiled spring, a second coiled spring, a hat-shaped bushing for separating the two spring coils and a lever, fixed in relation to a throttle valve housing, for simultaneously loading both spring coils to yieldably urge the throttle valve toward a normal position. The return spring system is positioned at one end of a shaft on which the throttle valve is mounted and operates to yieldably rotate the shaft in a selected direction to orient the throttle valve.

Abstract: A flow limit valve for limiting the flow rate of a pressurized fluid includes a valve body with an interconnecting cavity of circular cross section. Within the cavity if a piston that slides within the cavity under force generated by a pressure differential across the piston to a closed position which prevents fluid flow through the valve. A pin is provided that is attached to the piston and that protrudes through the piston seat into the outlet side of the cavity when the piston is at the closed position. Opposite the pin is an encapsulated magnet within the valve body that can be moved in response to another magnet outside the valve body to contact the pin attached to the piston to move it to the open position. The magnetic forces applied through the valve body affect internal valve operation via the pin attached to the piston and this avoids the danger of noxious fluids escaping through sliding seals or flexible membranes.

Abstract: An improved plug-type valve of the type having a plug connected to slips wherein opening and closing the valve involves both vertical and rotational motion of the plug, the novel features of the invention residing in geometrical characteristics of plug, slips and valve body to make the vertical motion of the plug, both prior to and subsequent to the rotation of the plug and slips, unidirectional. Thus, unlike prior art plug-type valves wherein opening the valve may require a sequence comprising vertical upward motion, rotation and vertical downward motion, in the present invention the opening sequence comprises vertical upward motion, rotation and vertical upward motion. This unidirectional vertical component of plug motion both before and after plug and slip rotation, significantly reduces the complexity and cost of the operator or actuator to which the plug is connected by the trunnion.