Abstract: A flow control valve adjusts an opening degree of a second channel by moving a needle valve in a first axis direction in accordance with a rotating operation amount of a knob provided at the first body, and includes a scale body, and a scale reading part that indicates the scale mark corresponding to the rotating operation amount of the knob, and a clutch mechanism that changes the scale mark of the scale body when the knob is rotated. The clutch mechanism includes an engaging portion, an engaged portion, and a clutch drive mechanism, and the scale reading part and the scale body rotate integrally when the engaging portion and the engaged portion are engaged. The clutch drive mechanism releases engagement between the engaging portion and the engaged portion when the knob is rotated and, after the scale mark is changed, re-engages the engaging portion with the engaged portion.

Abstract: The present disclosure relates to a cooking apparatus including a knob assembly used to operate the cooking apparatus. The cooking apparatus includes a main body comprising a control panel, a valve disposed inside the main body and comprising a valve shaft configured to be movable, and a knob assembly comprising a knob cover rotatably disposed on the control panel, and a knob body configured to be pushed separately from the knob cover to push the valve shaft so that the valve shaft is prevented from being pushed by the knob cover.

Abstract: A ball valve assembly includes an outer sleeve having first and second pillars and defining an outer sleeve hollow, a first notch, a second notch, and a third notch, wherein the first pillar of the outer sleeve at least partially defines and is positioned between the first and second notches, and the second pillar of the outer sleeve at least partially defines and is positioned between the second and third notches.

Abstract: An actuator for controlling a valve having a valve rod is provided. The actuator includes a manual override arrangement for manually moving the actuator spindle, the manual override arrangement including a locking element, an actuator spindle holder housing at least a portion of an actuator spindle. A guiding arrangement is adapted to guide the actuator spindle along the actuator spindle holder. In a normal operating mode the actuator spindle holder is locked to the locking element, and the actuator spindle is guidable along the actuator spindle holder via the guiding arrangement. In a manual override operating mode, the actuator spindle holder is unlocked from the locking element, and the actuator spindle holder is rotatable together with the actuator spindle via the guiding arrangement.

Abstract: A valve assembly of a faucet includes a valve body, a valve cartridge received within the valve body and including a valve stem defining a longitudinal axis, and a handle operably coupled to the valve stem of the valve cartridge. Illustratively, a spring biases splines of a valve stem adapter downwardly into engagement with splines of the valve stem.

Abstract: A valve comprises a housing, a control handle rotatable relative to the housing, a flow control mechanism in the housing and connected with the control handle, stop seats formed on the housing, a locking body in contact with the control handle, stopping portions formed in the locking body and movable between a locking position in which the stopping portions engage the stop seats and a release position in which the stopping portions are moved away from the stop seats, a control surface formed in the handle. The handle is movable between a lowered position towards the housing and a position raised from the housing. In the raised position, the control surface pushes the stopping portions in the locking position and, in the lowered position, the control surface allows the stopping portions to return in the release position.

Abstract: A faucet handle includes a safety lock. The safety lock includes a latch that is manually movable between an engaged position and a disengaged position. The latch is adapted to engage an associated catch when the latch is in its engaged position. The safety lock also includes a primary lock element that moves between a locked position and an unlocked position. The primary lock element prevents movement of the latch from its engaged position to its disengaged position when the primary lock element is in its locked position. The primary lock element allows movement of the latch from its engaged position to its disengaged position when the primary lock element is in its unlocked position. A faucet including the handle requires three steps to dispense liquid: (i) movement of the primary lock to its unlocked position; (ii) movement of the latch to its disengaged position; and (iii) movement of the handle to its liquid dispensing position.

Abstract: A gas safety valve (1) capable of avoiding unwanted or inadvertent opening and possible closing, with maximum safety and allowing an opening, and possible closing, of these safety valves only through a double intentional and reliable maneuver includes a knob (22) for controlling the shutter (7) of the valve (1), during the opening and closing rotation movement, stop projections (32, 33) of the valve (1) slide on sliding segments (37, 38; 37B, 38B) provided in the knob (22) coplanar or flat-like inclined and associated to relative positioning projections (41, 42), a spring (28) housed in a chamber between a threaded end (19) of a screw (11), and a chamber (23) of the knob (22).

Abstract: In various embodiments, an electronic flow selector of a fluid flow control system may be used to select a flow rate of a fluid. When the system is in an electronic mode, an encoder may electronically encode the fluid flow selection. A controller may receive the electronically encoded flow selection and transmit a corresponding control signal to an electronic valve to allow the fluid to flow at the selected flow rate. When the system is in a manual mode, backup manual flow selectors may be used to directly control the flow rate of a fluid. When the system is in a manual mode, the mechanical backup flow selectors may be in a deployed position. When the system is in an electronic mode, the mechanical backup flow selectors may be in a retracted position. Particular applications to gases and anesthesia delivery are disclosed herein.

Abstract: A system and a method for plugging a heat exchanger tube or the like. The system includes a plug member having a central shaft having a compressible member mounted on the central shaft such that axial compression of the compressible member radially expands the compressible member into sealing engagement with an inner wall of a tube in which the plug member is inserted. The system further includes a drive means removably engaged with the plug member for inserting the plug member into the tube and for providing axial force on the compressible member to cause radial expansion of the compressible member into sealing engagement with the inner wall of the tube.

Abstract: The present invention discloses a pressure control valve comprising: a cylindrical valve body which has a bottom wall and a side wall, wherein the bottom wall is provided thereon with an air inlet communicating with a device whose pressure to be limited, the side wall is provided with at least one guiding pin, and the cylindrical valve body has air outlets communicating with an exhausting system; a valve core, which is provided within the cylindrical valve body and in air-tight cooperation with the air inlet; a traveling guiding bar, having a lower end connected to the valve core; a covering fitted rotatably or up-and-down movably over the cylindrical valve body, for driving the traveling guiding bar to rotate or move up-and-down; a spiral guiding member, which is fitted up-and-down movably over the traveling guiding bar and is provided on its outer surface with spiral grooves into which the at least one guiding pin can be inserted; a pressure spring, having one end pressed against the valve core and the othe

Abstract: A water tap is disclosed, which comprises an operating element for operating the tap, a sensor for detection of the touch of at least a portion of the tap by an object and generation of a detection signal and signalling means for generation of a warning signal based on the detection signal. The sensor and the signalling means are configured to generate a warning signal at a touch of at least a portion of the tap. A hot water system comprising the water tap is also disclosed.

Abstract: Gas safety ball valves (1) in which the opening manoeuvre occurs through a double lifting manoeuvre in the axial direction of the knob (22) for controlling the shutter (7) of the valve (1) and a subsequent rotation of the knob (22) by 90° to open, the closure also possibly occurring directly through simple closure rotation or by previously lifting of the knob (22), wherein during the opening and closing rotation movement the stop projections (32, 33) of the valve (1) slide on sliding segments (37, 38; 37B, 38B) provided in the knob (22) coplanar or flat-like inclined and associated to relative positioning projections (41, 42). A spring (28) is housed in a chamber between the threaded end (19) of the screw (11) and a chamber (23) of the knob (22) and positioned by way of the same screw (30) fixed in the screw (11).

Abstract: Shut-off valve of a fluid having a valve body (20), an obturator (5) housed in the valve body and rotatable around a rotation axis (X), and a command organ (2) connected to the obturator (5) by means of a command stem (12) which extends in an aperture made in a cylindrical projection (21) of the valve body (20).

Abstract: The present disclosure is directed to the filtering and collection of downhole fluids. An example system to filter and sample downhole fluids includes a first sampling chamber that includes one or more cone-shaped filters to receive downhole fluid, filter the downhole fluid, and store the downhole fluid, a second sampling chamber, a spool valve to allow the downhole fluid to flow into the first sampling chamber in a first position and to redirect the downhole fluid to the second sampling chamber or a base block in a second position, and a setting line to selectively move the spool valve from the first position to the second position.

Abstract: An ergonomic hand knob for a control valve includes a valve body and a plurality of flutes disposed in the valve body, each flute including a flute surface. Each flute is asymmetric with respect to an innermost point of the flute surface. A first flute surface has a greater slope than a second flute surface. The first flute surface lays in a direction of tightening from the innermost point and the second flute surface lays in a direction of loosening from the innermost point.

Abstract: The invention relates to a flow adjustment valve (1) comprising a valve housing (2) having a flow channel (3) in which a throttle unit (4, 11) having an adjustable throttle element (11) and a shut-off unit having a shut-off element (4) which blocks the flow channel (3) in a closed position are arranged, the shut-off element (4) being actuatable from the outside by means of a handle (16). The aim of the invention is to simplify the handling of a flow adjustment valve of the aforementioned type. For this purpose, the throttle element (11) can also be actuated by means of the handle (16).

Abstract: A fluid control device 71 includes a working member 75 in automatic opening and closing, which is moved vertically by introduction or discharge of compressed fluid to or from a compressed fluid inlet chamber 90 formed in a casing 73 to move a valve element holder 5 to an opening position against bias force of a compression coil spring 77, and an working member 74 in manual opening and closing, which is moved vertically by a manual operation and directly presses the valve element holder 5 downward when it is moved downward.

Abstract: A mechanical assist assembly for translating a pushing motion from a vehicle operator into an oppositely directed valve deactuation force including a spring cap having a generally round cap portion, a locking recess formed in the cap portion, a helical compression spring operationally connected and extending from the cap portion and a locking bolt extending from a vehicle dash plate. The cap portion may be depressed to actuate the valve actuator, thereby increasing the potential energy of the compression spring. The cap may be rotated a first direction to engage the locking bolt and, once engaged, may be rotated a second direction to disengage the locking bolt. Disengaging the cap portion from the locking bolt enables the helical compression spring to release its stored potential energy and urge the valve actuator into its disengaged position.

Abstract: A valve or tap for fluids comprises a body, a revolving shutter in the body between a closing position and opening position, and control mechanism for rotating the shutter. The control mechanism can be moved axially between a raised position in which it is locked angularly to the body of the valve and a lowered position in which it is free to rotate. The control mechanism may be normally held in a raised position by an elastic part. The control mechanism may include a first pin joined to the shutter and a second pin constrained in an angular direction to the first pin. The second pin may be movable in an axial direction in relation to the first pin between a raised position for locking to the body and a lowered position for unlocking from the body.

Abstract: Disclosed herein is a childproof valve for a swimming pool. In one embodiment, the valve may include a valve body having an inlet and an outlet and a flow-passage extending therebetween, a plunger movable within the valve body between closed and open positions to either close or open the flow-passage, a tap mounted to the valve body, and a clutch device interposed between the tap and the plunger and co-operating with the tap such that rotation of the tap will not move the plunger unless the tap is first moved axially.

Abstract: A pressure reducer has a housing with inlet and outlet sockets, a partition between said inlet and outlet sockets, and an accommodation socket. The partition defines an aperture aligned with the accommodation socket. A pressure reducer insert is inserted into the accommodation socket and the aperture. The pressure reducer insert has a tapering, funnel-like insert housing, a valve seat, and webs for connecting the insert housing with a valve seat sealingly mounted in the aperture. A regulating diaphragm closes the open end to define a controlled pressure chamber which communicates with an outlet chamber. A cap encloses a biased helical spring and a bias setting threaded spindle rotatably mounted in the cap. A setting knob is axially movable between a first position non-rotatably coupled with the cap, and a second position rotatable relative to the cap where rotation of the knob rotates the bias setting spindle and adjusts the pressure setting.

Abstract: The invention relates to a valve or tap for fluids, comprising a body, a revolving shutter in said body between a closing position and opening position, and control means for rotating said shutter, wherein said control means can be moved axially between a raised position in which they are locked angularly to the body of the valve and a lowered position in which they are free to rotate, said means being normally held in a raised position by an elastic part.

Abstract: The present invention pertains to a valve or faucet for fluids, comprising a body, a stop valve rotating in said body between a closing position and an opening position, and control means for the rotation of said stop valve, in which the said control means are axially movable between a raised position in which they are locked at an angle to the body of the valve and a lowered position in which they are free to rotate, said means being usually kept in the raised position by an elastic element.

Abstract: A faucet for a waterbowl includes a control knob, a lifting seat, a valve cover, a valve body and a spindle assembly which controls the water flow on-off. The spindle assembly is provided within the valve body, with a spindle of the spindle assembly extending through the upper end of the valve body and hinged to the lifting base. The valve cover is mounted firmly the top of the valve body. Between the control knob and the lifting seat is provided a rotatable locator connected to the lifting seat and rotatable round the lifting seat. The control knob is attached to the upper part of the rotatable locator by a hollow slidable connecting housing. A sliding rod provided in the slidable connecting housing is inserted into a through hole on the rotatable locator, with a return spring provided on the sliding rod. The faucet may avoid mishandling and scalding.

Abstract: Disclosed herein is a childproof valve for a swimming pool. In one embodiment, the valve may include a valve body having an inlet and an outlet and a flow-passage extending therebetween, a plunger movable within the valve body between closed and open positions to either close or open the flow-passage, a tap mounted to the valve body, and a clutch device interposed between the tap and the plunger and co-operating with the tap such that rotation of the tap will not move the plunger unless the tap is first moved axially.

Abstract: A knob adjustment device, particularly for adjusting the temperature in valve units of a water-heating apparatus. The knob adjustment device is mounted so as to be rotatable about a rotation axis in a stationary housing of the valve unit and has a safety member for the unidirectional restraint of the knob adjustment device relative to the housing so as to oppose rotation of the knob adjustment device in a first direction of rotation about the axis, the knob adjustment device being free to rotate in the opposite direction of rotation.

Abstract: A hydrant for delivery of hot or cold water has first and second parallel splined fluid inlet pipes. The pipes have forward and rearward ends and are connected to sources pressurized water. A laterally extending fluid conduit member connects the forward ends of the first and second fluid inlet pipes. A fluid closure valve is located in the rearward ends of each of the first and second fluid pipes. A valve rod having forward and rearward ends rotatably extends through pipes and has one end operatively connected to closure valves. A longitudinally spring loaded handle is slideably engageable with the forward end of the valve rods to permit the manual movement of the rods to open or close the fluid closure valves. When the handle is pushed inwardly to engage splines in the rod and handle.

Abstract: A nitride semiconductor device including a light emitting device comprises a n-type region of one or more nitride semiconductor layers having n-type conductivity, a p-type region of one or more nitride semiconductor layers having p-type conductivity and an active layer between the n-type region and the p-type region. In such devices, there is provided with a super lattice layer comprising first layers and second layers which are nitride semiconductors having a different composition respectively. The super lattice structure makes working current and voltage of the device lowered, resulting in realization of more efficient devices.

Abstract: A faucet for a waterbowl includes a control knob, a lifting seat, a valve cover, a valve body and a spindle assembly which controls the water flow on-off. The spindle assembly is provided within the valve body, with a spindle of the spindle assembly extending through the upper end of the valve body and hinged to the lifting base. The valve cover is mounted firmly the top of the valve body. Between the control knob and the lifting seat is provided a rotatable locator connected to the lifting seat and rotatable round the lifting seat. The control knob is attached to the upper part of the rotatable locator by a hollow slidable connecting housing. A sliding rod provided in the slidable connecting housing is inserted into a through hole on the rotatable locator, with a return spring provided on the sliding rod. The faucet may avoid mishandling and scalding.

Abstract: An on-off valve that operates between an open position and a closed position, particularly with high-pressure working fluids. The on-off valve has a valve body that defines a valve cavity. A valve poppet is slidably mounted within the valve cavity. A bushing is mounted with respect to the valve body and divides the valve cavity into a first chamber and a second chamber. One end of the valve poppet is positioned within the first chamber and an opposite end of the valve poppet is positioned within the second chamber. The valve body has an inlet and an outlet, which communicate with each other in the open position of the on-off valve. A spring urges the valve poppet into the first chamber. In the closed position of the on-off valve, the valve poppet closes the outlet. An actuating pin is slidably mounted with respect to the valve body. In the closed position, the actuating pin seals the passage of the valve poppet.

Abstract: Rotary handle device includes a coupling mechanism between the handle and a driven member. The handle is rotated about an axis and can also be axially moved between first and second positions. When the handle is in the first axial position it is operatively engaged with the driven member, and when the handle is in its second axial position it is operatively disengaged from the driven member. The handle drives the driven member via a coupling mechanism in the form of a keyed coupling between the handle and the driven member. The handle can be locked or receive a lock out device against rotation when it is in its second axial position. The keyed coupling and/or the pin and track arrangement can be used to permit axial movement of the handle only when the handle is in a predetermined orientation. The handle mechanism is shown in combination with a rotary operated valve having a valve stem as the driven member.

Abstract: The present invention is referred to a safety knob for domestic gas apparatuses of the type that includes a gas valve with a stem, and wherein the stem is pushed against the body of the gas valve to open and regulate the gas flow. The improvements comprising a knob having a body with a back flat section and one or more cavities or projections formed on the back flat section of the knob and a longitudinal orifice also in its back part, which is connected in coincidence with a free end of the stem of the gas valve. The knob includes safety elements for avoiding the axial movement of the knob, the safety elements having a series of projections, wherein the cavities of the knob and the projections of the safety elements are joined or separated one from another, for placing the stem of said valve in a unblocked or blocked position.

Abstract: The invention provides a knob with safety button for a domestic gas that includes a gas valve. A stem is integrated with the gas valve, which is pressed by the knob to press and to simultaneously rotate the stem of the gas valve for opening and regulating the flow of gas through of the valve. The improvements comprising a safety button coupled with the knob, the button being connected by one end with the stem of the valve, for avoiding that the valve be operated in a turn condition when the knob is only pressed, or for facilitating the turn of the knob when the safety button is pressed.

Abstract: A rotary disc valve with a stationary valve plate provided with a vacuum connection, a rotary slide member mounted so as to be movable between first and second valve positions, wherein the slide member has a breakthrough connecting the vacuum connection to a suction opening in the first valve position, wherein the suction opening is connected to an aerating opening in the second valve position, and wherein both valve positions define a suctioning angle. The valve further includes a device for adjusting the size of the suctioning angle.

Abstract: A valve having a housing from which projects a stem rotatable about an axis has an actuating assembly with an abutment ring fixed on the housing, formed with an annular slot, and having an abutment projecting radially into the slot. A knob mounted on and rotatable with the stem adjacent the ring carries a single-arm abutment lever pivoted on the knob and having an end engaged in the slot and displaceable radially between a radial outer position angularly engageable with the abutment and a radial inner position so that when the end is in the outer position rotation of the knob is blocked by engagement of the lever end and the abutment. A spring braced between the knob and lever urges the end into the outer position. A radially displaceable button on the knob engageable with the lever is radially inwardly displaceable to move the lever into its inner position.

Abstract: The present invention relates to a valve handle for preventing a valve from being accidentally turned on. In the preferred embodiment of the present invention, the valve handle comprises a fixing ring which mobilizes the valve stem, so as to drive the stem up and down, the fixing ring having at least one stopper; and the valve handle has a knob housing that covers and mobilizes the fixing ring, and has at last one protrusion having a first perpendicular plane and a slant plane. The slant plane and the perpendicular plane work with the stoppers on the fixing ring to ensure that the valve can be easily closed but is difficult to open.

Abstract: Rotary handle device includes a coupling mechanism between the handle and a driven member. The handle is rotated about an axis and can also be axially moved between first and second positions. When the handle is in the first axial position it is operatively engaged with the driven member, and when the handle is in its second axial position it is operatively disengaged from the driven member. The handle drives the driven member via a coupling mechanism in the form of a keyed coupling between the handle and the driven member. The handle can be locked or receive a lock out device against rotation when it is in its second axial position. The keyed coupling and/or the pin and track arrangement can be used to permit axial movement of the handle only when the handle is in a predetermined orientation. The handle mechanism is shown in combination with a rotary operated valve having a valve stem as the driven member.

Abstract: The invention concerns a valve or tap for fluids, with a stopper that rotates controlled by a control rod equipped with a throttle or grip lever fixed to said rod by means of a fastening screw. The throttle or grip lever has at least one blocking notch (19, 20), designed to fit tightly with a catch (18), which is part of the valve body in order to prevent the stopper from turning. The fastening screw (15) has a special head that allows it to be screwed/unscrewed only with a specific wench or tool, thereby preventing tampering.

Abstract: A catheter valve including a housing engaging at least a portion of a tubular member is provided. The tubular member having distal and proximal open ends defining a flow-through passage therebetween, the tubular member further having a proximal portion of a deformable and therefore twistable structure and a distal portion of a more rigid structure, the proximal portion being partially and circumferencially attached to an inner surface of the housing, wherein dimensions of the housing, of the proximal portion and of the distal portion are selected such that when the distal portion is rotated, the proximal portion is twisted so as to block passage of fluid through the tubular member and therefore through the catheter valve and the distal portion is secured by the housing so as to prevent self untwisting of the proximal portion.

Abstract: The invention is a valve that releasably locks the valve in both the open position and the closed position. The valve has a valve body, a valve element, a handle, and a lock-out member that cooperates with the handle and the valve body to lock the handle and the valve element in either the open position or the closed position. The lock-out member has a collar that is rotatably mounted to the rim of the valve body. The collar has cogs that fit within notches in the rim and prevent the collar from rotating. The interlocking of the collar of the lock-out member with the valve body prohibits the rotation of the handle and the valve element. The lock-out member has a release member that cooperates with the handle to lift cogs out of the notches and cause the collar to disengage with the rim when the release member is activated. This allows the handle and the valve element to rotate between either the locked open position or the locked closed position.

Abstract: A water mixing valve (10) can selectively adjust temperature by selection mixing of the hot and cold water supplies and be selectively locked in place by a knob (26) fastened via a threaded faster (30). The knob (26) has a spline section (34) seated in a complementary spline section (36) in the valve body (20) to prevent the knob (26) and operating stem (22) from inadvertent rotation.

Abstract: The present invention relates to a connection collar for a duct ventilation system and furnace. The connection collar is comprised of a self-guiding and self-locking damper valve, which when positioned becomes part of a completely sealable joint when used with preferably flexible insulated heating pipe. With the adjusting apparatus and locking apparatus completely contained within the connection collar the connection collar forms a vapor barrier when used with the preferable pipe and or furnace. The self-locking and self-guiding apparatus comprises of a spring biassing arrangement and a cone shaped receiver equipped with catch teeth which when engaged mate with teeth circumferentially positioned on the damper apparatus.

Abstract: A child proof handle for a bathtub faucet includes a substantially cylindrical inner handle member having a centrally located bore for receiving the faucet valve stem and a pair of diametrically opposed passageways. The device also includes an outer handle member having an open end in communication with a hollow portion and a substantially centrally disposed bore. Received within the bores on the inner and outer handle members is an elongated bolt that secures the handle members to the valve stem. A spring is disposed between the inner and outer handle members for biasing the outer handle member away from the inner handle member. The outer handle member further includes a pair of diametrically opposed pins received within the hollow portion spaced and dimensioned to be received within the passageways on the inner handle member.

Abstract: A faucet handle assembly, and a method for blocking inadvertent rotation of the faucet handle, the assembly being configured to which incrementally allow pre-established uniform amounts of hot and cold water to flow into a faucet, the back of the faucet handle being configured to interact with the non-flat front portion of a clicker mechanism so as to produce a clicking sensation as each incremental volume of water is added to the water stream emanating from the faucet, the clicking sensation allowing a person attempting to adjust the temperature and flow rate of the water stream to easily repeat faucet handle settings previously found to be desirable. It is contemplated for the clicking sensation to be both audible and tactile. A hinged post assembly safety feature is also contemplated to prevent further rotation of the handle once a desired temperature setting is reached.

Abstract: A knob for a stove or range that has a releasable lock assembly which prevents a switch or valve of the range from being turned ON. The lock assembly has a pin movable between a lock position and a release position with a linear to rotational movement mechanism mounted in a housing joined to the body of the knob.

Abstract: A child-resistant handle to be mounted to a valve stem to which is affixed a cogwheel adapter by a shoulder screw. The shoulder screw rotatably mounts the freely rotatable handle to the valve stem. The handle has an inverted cup shape that extends over and covers the cogwheel adapter. A clutch member connected to the handle with a resilient member engaging the clutch to normally keep the clutch member out of engagement with the cogwheel adapter. The clutch member linearly shiftable to engage the cogwheel adapter whereby rotation of the handle will cause a like rotation of the valve stem.

Abstract: A valve safety handle having a handle slidably attached to a valve stem. The handle incorporates a handle female spline sized to engage a valve stem male spline. The handle female spline is urged out of engagement with the valve stem male spline by means of a spring trapped between the handle and valve stem. The valve stem also has a valve stem key sized to slide into a handle lower recess keyway. Thus the handle may engage with the valve stem only after the handle has been rotated relative to the valve stem until the valve stem key aligns with the handle lower recess keyway, and the handle has then been translated relative to the valve stem against the spring until the handle female spline is engaged with the valve stem male spline. An alternate embodiment incorporates an adapter having an adapter female spline sized to engage a standard plumbing valve stem male spline.

Abstract: An electronic control system for gaseous fuel burners, particularly suitable for ovens and employs a single push-to-turn user control knob for selecting BAKE, BROIL or SELF-CLEAN modes of operation and for setting the oven temperature desired in the BAKE mode, the control knob turns a potentiometer shaft which provides a signal indicative of the shaft position to a microprocessor which controls relays for selectively opening and closing electrically operated BAKE and BROIL burner valves.

Abstract: A valve handle is provided with a hand rotated valve skirt containing a notch which in one position permits valve operation when the notch is aligned with the valve and in a second spring biased position the skirt interferes with the valve body to prevent accidental operation, the skirt further providing a dust cover for the valve operating mechanism.