Abstract: A system and a method for reducing a risk of bacterial contamination in a water heater are disclosed. A bypass conduit is connected to cold water supply and hot water outlet conduits of the water heater with T-shaped fittings, the bypass conduit generally extending in a same horizontal plane as the fittings and running alongside a top surface of the water heater. A thermostatic mixing valve is integrated to the bypass conduit close to the fitting with the hot water outlet so that its mixed water outlet is connected to the fitting with the hot water and its cold water inlet is connected to the fitting with the cold water, its hot water inlet being blocked. The thermostatic mixing valve is adjusted to regulate the hot water temperature at the outlet of the system and to produce a thermosiphon loop in the system depending on whether there is extraction or no extraction of hot water from the water heater.

Abstract: A bar valve includes an elongate housing having a first inlet located towards a first end of the housing, a second inlet located towards a second end of the housing, and an outlet located between the first inlet and the second inlet. A mixing chamber is located within the housing, the mixing chamber being configured to receive first and second input flows from the first inlet and second inlet, respectively. A flow controller is configured to receive a mixed flow from the mixing chamber and controllably output an outlet flow to the outlet. The mixing chamber and flow controller is disposed sequentially in a region of the housing between the first end and the outlet, thereby confining the mixed flow and the outlet flow to the region of the housing between the first end and the outlet.

Abstract: A fluid valve is provided including an inner shell and an outer shell. The inner shell includes a sidewall having a first opening and an interior surface defining an inner chamber. The outer shell includes a sidewall having a second opening and an exterior surface defining an outer chamber. The inner shell is positioned within the outer shell and the inner shell is movable relative to the outer chamber between a first position and a second position by a change in fluid conditions of a fluid supplied to the fluid valve. The first opening and the second opening overlap to define a passageway extending from the interior surface of the inner shell to the exterior surface of the outer shell. Relative movement of the inner shell from the first position toward the second position reduces a cross-sectional area of the passageway.

Abstract: A thermostatic cartridge includes: a casing at least partially within and locked translationally along an axis a cartridge body that delimits a chamber, a hot and cold fluid inlet passages and a mixed fluid outlet passage; a slide valve regulating the temperature of the mixed fluid displaceable along the axis to close, in inverse proportions, the inlet passages; a thermostatic element; and a mechanism for adjusting a thermostatic regulation temperature mechanically and displaceably connected to the body and to secure the position of the piston of the element along the axis and to alter the piston position by actuating the adjustment mechanism to move relative to the body. To control the regulation temperature, the casing is rotationally mounted on the body such that the adjustment mechanism is actuated when the casing is between positions-corresponding to extreme low and high temperature values.

Abstract: A faucet may include a shell, a control sleeve, a connecting sleeve, a water-stop unit, a locating unit, and a locking tube. The shell has an axial connecting hole, and the control sleeve secured with the connecting hole has an axle hole. The connecting sleeve comprises a tube portion having an axial rod hole formed at a central portion thereof. The water-stop unit comprises a front rod, a water-stop plug, and a rear rod, and the front rod penetrates through the axle hole and the rod hole to locate the water-stop plug in the connecting sleeve. The front rod is engaged with a nut at a front end after penetrating through the axle hole. A first spring and a second spring, which are disposed on the front rod, are respectively coupled between the nut and the control sleeve and between the water-stop plug and the connecting sleeve.

Abstract: A faucet is provided that electronically controls the flow volume and temperature of water being dispensed. The faucet illustratively includes a faucet body and a faucet handle. In some embodiments, the faucet may include a faucet body and be voice controlled. The faucet illustratively includes an inertial motion unit sensor mounted in the faucet handle to sense spatial orientation of the faucet handle. The faucet illustratively includes an electronic flow control system to adjust flow volume and temperature of water being dispensed. The faucet illustratively includes a controller configured to receive signals from the inertial motion unit sensor and control the electronic flow control system to adjust flow volume and temperature of water being dispensed based upon the position of the faucet handle.

Abstract: Thermostatic mixing valve for sanitary fittings, with a top piece, in which a cone is disposed to be axially movable via a rotatably mounted spindle, and a passage sleeve with windows for the supply of hot and cold water, in which a carriage preloaded via a spring and joined to a thermoelement provided with a control piston is axially movable, wherein the supply of hot and cold water through the windows can be regulated in dependence on the movement of the carriage, wherein the cone (5) comprises a bushing (51), which at its underside turned away from the spindle (2) is closed via a bottom and in which a conical piston (53) is disposed to be axially movable and is preloaded via a spring (54) in the direction of the bottom, wherein a coupling duct is disposed in the bottom in axially aligned manner with the conical piston (53) and which at the same time is axially aligned with the control piston (81) of the thermoelement, and into which the conical piston (53) and/or the control piston (81) of the thermoelemen

Abstract: A thermostatic mixing valve including: a first fluid inlet; a second fluid inlet; an outlet; a thermostatic element connected to a return spring and a piston such that movement of the thermostatic element assists with moving the piston, movement of the piston controlling fluid flow from the first fluid inlet and the second fluid inlet to the outlet; a housing containing an overtravel spring, the overtravel spring configured to resist a force applied by the thermostatic element during movement thereof; and a plunger extending into the housing, the plunger configured to engage the overtravel spring, wherein rotating the plunger adjusts the resistance applied onto the thermostatic element from the overtravel spring.

Abstract: An assembly for manufacturing a cartridge for regulating cold and hot fluids to be mixed, includes a pre-assembled base module, with a base, which encloses a mixing chamber with first and second inlets, for a cold fluid and for a hot fluid, respectively, and an outlet for a mixture of the cold and hot fluids, a slide, which is movable in the chamber so as to inversely vary a flow of the hot and cold fluids, and a thermostatic actuator arranged in the chamber, which moves the slide to a position corresponding to a pre-set temperature for the mixture. The assembly has at least two specific modules from among a single-control module, a sequential module and a dual-control module, each module being pre-assembled and including a housing suitable for being attached to the base, and an adjustment member movably mounted in the housing.

Abstract: A cartridge has first and second separate base portions axially vertically adjacent in a stationary manner relative to one another. The first and second base portions have first and second opposing axial surfaces, such that the second surface of the first base portion and the first surface of the second base portion are applied axially against one another and include respective portions in axial contact with one another, which form a sealed joining interface between the first and second base portions. The cartridge also has a thermostat, as well as a slide valve connected to the body of the thermostat for controlling the temperature of the mixture of fluids, which moves along the axis of the base inside the first base portion to vary inversely the respective flow sections of a first passage for the first fluid and of a second passage for the second fluid.

Abstract: Embodiments include thermostatic valves for showers and tubs in which the temperature is regulated by a thermostatic motor/element. Both the flow from the valve and the temperature are controlled by a rotary stem. Hot and cold water is pre-mixed by passage through the coils of a return spring into a mixing chamber and a ceramic valve at the top of the mixing chamber controls flow of mixed water from the mixing chamber into an outlet chamber where fluctuations in the water temperature are eliminated before the water is conveyed to the shower or tub.

Abstract: Thermostatic mixing cartridge (3) for sanitary taps (1) comprising A) a manual control member (9) arranged to perform a control stroke with a single degree of freedom; B) a thermostatic element assembly (15) arranged to actuate the thermostatic valve (19) expanding or contracting according to the temperature of the liquid that laps around a thermostatic bulb (17) into the mixing chamber (25); C) an adjustment shaft (37) actuated by the manual control member (9) and arranged to C.1) to rotate the inlet shutter (11) so as to open the first (27) and the second inlet mouth (29); and C.2) to move the thermostatic element assembly (15) at least according to the predetermined adjustment direction (AR) so as to adjust the predetermined reference temperature. The cartridge lends itself to be realized with very small dimensions, forcing a user to open the tap supplied with cold water only, with energy savings.

Abstract: A precision ceramics control balance valve includes a valve housing, a rotary base mounted in the valve housing, a slide mounted in the valve housing and located under the rotary base, a valve lever pivotally mounted in the rotary base and having an upper end protruding from the valve housing and a second end provided with a drive portion connected with the slide, a movable valve plate mounted in the valve housing and located under the slide, a fixed valve plate mounted in the valve housing and located under the movable valve plate, a valve seat mounted on the valve housing to stop the fixed valve plate, the movable valve plate, the slide and the rotary base, a temperature limiting device mounted in the valve seat, a pedestal connected with the valve seat, and a balance unit mounted in the pedestal.

Abstract: A precision ceramics control valve includes a valve housing, a rotary base mounted in the valve housing, a slide mounted in the valve housing and located under the rotary base, a valve lever pivotally mounted in the rotary base and having an upper end protruding from the valve housing and a second end provided with a drive portion connected with the slide, a movable valve plate mounted in the valve housing and located under the slide, a fixed valve plate mounted in the valve housing and located under the movable valve plate, a valve seat mounted on a lower end of the valve housing to stop the fixed valve plate, the movable valve plate, the slide and the rotary base, and a temperature limiting device mounted in the valve seat.

Abstract: Systems and methods for protecting vacuum seals in a plasma processing system are provided. The processing system can include a vacuum chamber defining a sidewall and an inductive coil wrapped around at least a portion of the sidewall. A vacuum seal can be positioned between the sidewall of the vacuum chamber and a heat sink. A thermally conductive bridge can be coupled between the sidewall and heat sink. Further, the thermally conductive bridge can be positioned relative to the vacuum seal such that the thermally conductive bridge redirects a conductive heat path from the sidewall or any heat source to the heat sink so that the heat path bypasses the vacuum seal.

Abstract: Embodiment thermostatic valves are protected against damage to the wax motor from the leakage of hot water into the valve when the hot water inlet is closed. Embodiments include an improved temperature motive means with fewer parts than conventional valves and with an improved sealing relation between the wax motor/shuttle and the water ports.

Abstract: The invention relates to a thermostatic mixing valve with integrated flow diverter provided with a first coupling for a control lever for the flow rate adjustment and the flow diversion through a valve group that is housed between a base and a cylindrical body, and with a second coupling for a knob for the temperature adjustment through a thermostatic device, said valve including a member for the transmission of the flow rate adjustment and flow diversion control that directly connects the control lever to the valve group passing through the cylindrical body without moving it, the latter being also enclosed within an external casing secured to the base and achieving a watertight sealing with the base.

Abstract: A shower jet device, includes a spray needle arranged in a spray nozzle; a cold water inflow space and a cold water jet outlet formed between the spray nozzle and the spray needle; a hot water inflow space formed between the spray nozzle and a valve body; wherein a cold water inlet respectively in communication with a cold water opening and the cold water inflow space; and a hot water inlet is respectively in communication with a hot water opening and the hot water space.

Abstract: A thermostatic valve, coupled to an electrochemical power source and having: a valve body; a first fluid inlet for a hot electrolytic fluid; a second fluid inlet for a cold electrolytic fluid; an outlet supplying a mixed electrolytic fluid; and regulating means for adjusting the mixing. The valve body defines a first opening, in communication with the second fluid inlet for the cold electrolytic fluid; and a second opening, in communication with the first fluid inlet for the passage of the hot electrolytic fluid; the regulating means include an adjustment baffle, interposed between the first and second openings and the outlet, and rotatably drivable to vary a useful passage section and adjust the mixing. The first and second openings are designed to mix the electrolytic fluids in different proportions, maintaining the flow rate and introduced load losses unvaried, as the rotation angle of the adjustment baffle varies.

Abstract: A cartridge comprising a slide valve for regulating the temperature of a mixture of hot and cold fluids is provided. The slide valve is, under the action of a thermostatic element and with respect to an external casing of the cartridge, movable along the central axis of the casing so as to inversely vary the respective cross sections of flow of a cold-fluid inlet and a hot-fluid inlet. Therefore the cartridge can, in an economical and easy manner, regulate high flows of hot fluid and/or cold fluid. The slide valve delimits externally a groove for channelling hot fluid, which can distribute the supply of hot fluid from the hot-fluid inlet over the entire external periphery of the slide valve, and/or a groove for channelling cold fluid which can distribute the supply of cold fluid from the cold-fluid inlet over the entire external periphery of the slide valve.

Abstract: An integrated water valve includes an extendible temperature-regulation rod disposed in a main body. Temperature of water can be adjusted by moving the temperature-regulation rod to change ratio of cold water and hot water. Also, water flow can be controlled by rotating the main body with respect to a seat at the bottom thereof. Thus, the present invention can be adapted for adjusting water flow and water temperature.

Abstract: A thermostatic mixer device for sanitary appliances, includes: a cartridge envelope; a distributor bottom member with intake openings for cold and hot water, a delivery opening for mixed water, and elements for controlling and intercepting the delivered flow rate; a mixing member located inside the envelope, forming a cylinder, control openings and passageways for directing hot water and cold water from the intake openings to the respective control openings; a distribution slide valve, sealingly sliding in the axial direction within the cylinder of the mixing member, and cooperating with the control openings in order to partially shut the control openings in opposite senses; a thermometric element for displacing the distributing slide valve against the action of a return spring; and control elements for establishing the temperature desired for the delivered mixed water.

Abstract: A thermostatic mixing valve having a temperature adjustment mechanism for adjusting the temperature of the discharge fluid exiting a fluid outlet of the thermostatic mixing valve. The thermostatic mixing valve may include a tamper-resistant feature that resists accidental adjustment of the discharge fluid temperature, and in some cases, does not require specialized tools for purposeful adjustment.

Abstract: A faucet has a multiway tube and a water mixer installed in the multiway tube. The water mixer has a balance unit and a mixing element, and the water mixer can be connected to two water sources. When the pressure of one water source varies rapidly, the balance element can modulate the effect that may influence the flow rate of each water source. The mixing element is, on the other hand, adapted to mix the two water flows. As such, the faucet of the present invention can stabilize the temperature of the mixed water outlet.

Abstract: A thermostatic mixing valve for the mixing of a first and second fluids is disclosed. The thermostatic mixing valve includes a valve body having first and second inlets, and a mixed fluid outlet. The thermostatic mixing valve includes a valve member configured to control the rate of flow of at least the first fluid. The member includes a thermostat in communication with the mixed fluid and a shuttle coupled to the thermostat, configured for movement within a liner, and oriented to adjustably engage the flow of the first fluid through an opening within a wall of the liner, the direction of flow of the first fluid being at least partially transverse with respect to the shuttle. A fluid inlet may include a check valve configured to prevent fluid from flowing out of the valve through the inlet.

Abstract: A mixing valve (10) includes a valve body (12) having a hot fluid inlet (14), a cold fluid inlet (16), a mixed fluid outlet (18), and a cavity (20) in the valve body (12) between the inlets (14, 16) and the outlet (18). Mixing valve (10) includes a liner (30, 130, 230, 430, 530, 630, 730, 830) positioned in valve body (12) and a valve member (40, 140, 240, 340, 440, 540, 640, 740, 840) movable therein between a first position restricting the flow of hot fluid and a second position. Liner (30, 130, 230, 430, 530, 630, 730, 830) includes a downstream valve seat (74, 174, 274, 474, 574, 674, 774) that, when engaged by valve member (40, 140, 240, 340, 440, 540, 640, 740, 840), restricts flow of hot fluid past valve member (40, 140, 240, 340, 440, 540, 640, 740, 840).

Abstract: A thermostatic valve control structure mainly has an axial movement element movable axially to control opening size of a hot water inlet and a cold water inlet. The axial movement element has a ceramic layer which has a smooth surface to reduce friction with a sealing ring. The ceramic layer provides advantages of resisting acid and alkali, less likely to accumulate water dregs, simpler structure and longer life span. Thus the total life span and durability of the thermostatic valve control structure can be enhanced.

Abstract: A temperature controlling valve serves to adjust a mixed rate of cold and hot waters to control a temperature of the mixed cold and hot water by using a water supplying means having a first pore to flow the cold water, a second pore to flow the hot water, a first shield to close the first pore, and a second shield to close the second pore; wherein when the temperature control set is driven by a driving motor to rotate at an original position, the first and the second shields are actuated to close the first and the second pores so that the cold and the hot waters flow into a valve core to be mixed together, wherein an inverse relationship exists between the cross sectional area of the first pore to flow the hot water and the cross sectional area of the second pore to flow the cold water.

Abstract: A water delivery system operable hands-free by, for example, a foot-operated pedal controller, or a non-contact controller, such as a presence and voice actuated circuit that are operatively connected through a power source, transmission and valve assembly in cooperation with a water spout at a water basin or bowl.

Abstract: The invention provides a thermostatic mixing valve for use within a water discharge fixture. The mixing valve comprises a cover defining an interior region, a stationary lower disk residing within the interior region, and a moveable upper disk. The lower and upper disks each have a central opening and at least one peripheral groove, wherein the grooves are alignable to form a peripheral water outlet. The mixing valve also includes a spindle assembly extending through the cover region and operably connected to the upper disk to enable alignment of the grooves and formation of the water outlet. A pressure relief cavity is formed between the spindle assembly and the cover, and wherein water flows through an opening in the spindle assembly and into the relief cavity.

Abstract: A thermostatic mixing valve for mixing a hot fluid and a cold fluid to produce a tempered mixed fluid stream. The thermostatic mixing valve may have a valve body that defines a cold fluid inlet port, a hot fluid inlet port, a mixing chamber, a mixed fluid outlet port in fluid communication with the mixing chamber, and a hot fluid outlet port in fluid communication with the hot fluid inlet port and disposed upstream of the mixing chamber. In some cases, the hot fluid outlet port may be used to provide hot water directly to an appliance or other fixture that can use non-tempered hot water.

Abstract: The thermostatic cartridge (C) comprises a thermostatic assembly (2) for regulating the temperature of an outgoing mixture (F3) of incoming hot and cold fluids (F1 and F2), two ceramic disks (3, 4) for controlling the flow rates of the hot and cold fluids delivered to the thermostatic assembly, and a disk-actuating sleeve (5) receiving therein in leaktight manner the outer body (2.1) of the thermostatic assembly. To limit costs and any risk of leakage from the cartridge, the actuator sleeve is a single part that defines two internal channels (52, 53) for passing flows respectively of the hot and cold fluids from the disks to respective admission slots (2.2, 2.3) defined by the outer body of the thermostatic assembly.

Abstract: A successive type constant temperature valve core with single handle comprises a valve cover, a temperature adjusting assembly, a thermo sensitive element and a control assembly for hot and cold inlet water, combining in the chamber of the valve cover from top to bottom, wherein, the control assembly for hot and cold water inlet comprises a holder of the thermo sensitive element, an adjuster, a put-off spring, a buffer spring and a holding piece.

Abstract: A thermostatic mixing valve for mixing a hot fluid and a cold fluid to produce a tempered mixed fluid stream is disclosed. In one illustrative embodiment, the thermostatic mixing valve includes a cold fluid inlet for passing a flow of cold fluid, a hot fluid inlet for passing a flow of hot fluid, and an outlet for passing a flow of tempered fluid. A fluid flow regulator may be used to regulate the relative flow of cold fluid from the cold fluid inlet and hot fluid from the hot fluid inlet to produce the flow of tempered fluid at the outlet. A pressure reducing element may be situated in the hot fluid inlet upstream of the fluid flow regulator. The pressure reducing element may, for example, help increased the temperature stability of the tempered fluid at the outlet given variations in the temperature and/or pressure of the hot and/or cold fluids presented at the hot fluid inlet and the cold fluid inlet of the valve.

Abstract: A thermostatic mixing valve (TMV) having a mixing chamber with a plurality of pockets defined therein. The mixing chamber receives cold water flow and hot water flow that has been passed through respective flow inlets and mechanically forced into the pockets defined within the chamber due to axial movement of the plunger. As the hot and cold flow moves into and out of the pockets, the flow streams disperse rather than being maintained in separate flow streams toward the thermostatic element. Because of the increased agitation, the thermostatic element is therefore able to sense a more accurate mixed flow temperature even at low flow rates.

Abstract: The invention provides a thermostatic mixing valve for use within a water discharge fixture. The mixing valve comprises a cover defining an interior region, a stationary lower disk residing within the interior region, and a moveable upper disk. The lower and upper disks each have a central opening and at least one peripheral groove, wherein the grooves are alignable to form a peripheral water outlet. The mixing valve also includes a spindle assembly extending through the cover region and operably connected to the upper disk to enable alignment of the grooves and formation of the water outlet. A pressure relief cavity is formed between the spindle assembly and the cover, and wherein water flows through an opening in the spindle assembly and into the relief cavity.

Abstract: The cartridge comprises two ceramic disks (20, 24) for regulating the temperature and flow of a mixture (M) of two entering fluids. In order to ensure that the temperature of the mixture remains lower than a predetermined value, the cartridge comprises thermostatic means (16) designed for, in the event of a high-temperature mixture, automatically shutting off, upstream from these disks, the circulation of the entering fluid (C) of the highest temperature.

Abstract: The invention relates to a thermostatic mixing valve in which the access path of the hot water to the mixing chamber is completely formed within a bottom base (2) and the ceramic disks (4, 5) of the valve group, the slider (8) of the thermostatic member sealingly sliding in a central seat of the upper disk (5). By having the hot water not pass through the metallic members of the valve it is possible to eliminate the problems of asymmetric thermal expansion of said metallic members when only hot water is delivered, and also to greatly reduce the problems of calcareous encrustations since the latter build up with difficulty on the ceramic material. Furthermore, the valve is manufactured with a compact and simplified structure, including a small number of pieces, with totally independent temperature and flow rate controls.

Abstract: Thermostatic mixing valves and systems for mixing fluids of dissimilar temperature are disclosed. A thermostatic mixing valve in accordance with an illustrative embodiment of the present invention can include an elongated valve body defining a cold fluid inlet, a hot fluid inlet, a mix fluid outlet and a mixing chamber, a fluid flow regulator for adjusting the flow of cold and hot fluid injected into the mixing chamber, and temperature selection means for adjusting the temperature of fluid contained within the mixing chamber. The valve body may have a vertical, in-line configuration wherein the hot fluid inlet, mixing chamber, and mix fluid outlet are substantially axially aligned along a vertical longitudinal axis of the valve body, allowing hot fluid to pass substantially vertically through the valve body towards the mix fluid outlet.

Abstract: The disclosure relates to a thermostatic mixer, including a device for the dynamic regulation of the cold water flow which supplies the mixer. A resistance is generated to the flow of cold water supplied to the thermostatic mixer when small flows of mixed water are required, and said resistance is lifted or reduced when large flows of mixed water are required. Said operation is automatically carried out by devices for dynamic regulation of flow, whereby the flow cross-section provided for the incoming cold water is reduced when the drawn flow is reduced and a larger flow cross-section reestablished when a larger flow is required.

Abstract: A thermostatic mixing valve having a temperature adjustment mechanism for adjusting the temperature of the discharge fluid exiting a fluid outlet of the thermostatic mixing valve. The thermostatic mixing valve may include a tamper-resistant feature that resists accidental adjustment of the discharge fluid temperature, and in some cases, does not require specialized tools for purposeful adjustment.

Abstract: A thermostatic mixing valve for mixing a hot fluid and a cold fluid to produce a tempered mixed fluid stream. The thermostatic mixing valve may have a valve body that defines a cold fluid inlet port, a hot fluid inlet port, a mixing chamber, a mixed fluid outlet port in fluid communication with the mixing chamber, and a hot fluid outlet port in fluid communication with the hot fluid inlet port and disposed upstream of the mixing chamber. In some cases, the hot fluid outlet port may be used to provide hot water directly to an appliance or other fixture that can use non-tempered hot water.

Abstract: A thermostatic cartridge regulates hot and cold fluids to be mixed, and a mixer tap one such cartridge. The cartridge includes two disks which are used to adjust the flow of hot and cold fluids and which each include a passage for hot fluid, a passage for cold fluid, and a passage for a mixture of both. The disks are movably joined to one another. One of the disks is connected in rotation to a member for controlling the flow of the mixture, while the other is fixed. In order to do without a turbulator in the cartridge, the flow section for the mixture through the disks, which is defined by stacking passages for the mixture in the joining plane of the disks, varies according to the configuration of the control member. The majority of the thermo sensitive part of a thermostatic regulation element is positioned upstream of the disk joining plane in the direction of flow of the mixture.

Abstract: A thermostatic mixing valve for hot and cold water has two-stage inlet chambers for the hot and cold water flows respectively. The inlet chambers distribute the flows uniformly with respect to porting for admitting the flows to the mixing chamber to reduce asymmetric flow patterns and promote thorough mixing of the flows within the mixing chamber.

Abstract: The invention provides a thermostatic mixing valve for use within a water discharge fixture. The mixing valve comprises a cover defining an interior region, a stationary lower disk residing within the interior region, and a moveable upper disk. The lower and upper disks each have a central opening and at least one peripheral groove, wherein the grooves are alignable to form a peripheral water outlet. The mixing valve also includes a spindle assembly extending through the cover region and operably connected to the upper disk to enable alignment of the grooves and formation of the water outlet. A pressure relief cavity is formed between the spindle assembly and the cover, and wherein water flows through an opening in the spindle assembly and into the relief cavity.

Abstract: A mixing valve has a valve housing, a thermostatic valve in the housing having a collar extending outward along an axis from the housing, and a stem axially shiftable in the collar. A sleeve surrounds the collar. A retaining part and interengaging screwthread formations between the part and the housing press the part against the sleeve and collar and thereby secure the collar and the sleeve on the housing against axial and angular displacement relative thereto. A handle is rotatably supported on the sleeve and threaded on the stem.

Abstract: A thermostat device f a water heater includes a container having a thermostat chamber and a heating chamber interconnecting each other. The thermostat chamber comprises a water inlet pipe and a water outlet pipe. A temperature adjusting valve is provided in the water inlet pipe. The water inlet pipe has a first outlet interconnecting with the thermostat chamber and a second outlet interconnecting with the heating chamber. A heating device is provided in the heating chamber. An outlet is provided to interconnect the thermostat chamber and the heating chamber. A one-way valve is provided on the outlet. The one-way valve is controlled by the temperature adjusting valve to turn on or off the first outlet in order to maintain a constant temperature of the water.

Abstract: A single lever valve for mixing hot and cold liquids has a mixer which can internally impose an upper limit on the temperature of any liquid emerging from it. The means used may enable the upper limit to be changed by exchange of a component so that the mixer can be used in any location in an installation even though different locations might have different upper limit requirements. The mixer may take the form of a cartridge able to be exchanged with an existing cartridge to convert an “unsafe” mixer to a “safe” one.

Abstract: A constant temperature valve core with dual stems and dual functions is provided. The constant temperature valve core with dual stems and dual functions includes a valve body, a return spring, a regulator, a water mixer, a temperature sensor, and a temperature regulating assembly. The return spring, the regulator, the water mixer, the temperature sensor, and the temperature regulating assembly are sequentially disposed in the valve body. The constant temperature valve core with dual stems and dual functions further includes a sheath and a flow rate adjusting assembly. The sheath is arranged around the valve body, and the flow rate adjusting assembly is slidably disposed between the sheath and the valve body.

Abstract: A thermostatic control valve assembly for use in continuously mixing a hot first fluid with a cold second fluid to continuously produce a mixed fluid at a constant temperature. The valve assembly includes an improved baffled mixing dome defining a mixing chamber that facilitates thorough mixing of the hot and cold fluids over a wide range of flow rates. Also included is an improved multiple response thermostat having a fast response rate adjacent to the entrance of the mixing dome for responding quickly to the temperature of fluid entering the mixing dome. The valve assembly further includes a piston/cylinder configuration which covers and uncovers internal passageways to control the mixed fluid temperature. The internal passageways are shaped to cause a non-linear change in the mixed fluid temperature in the mixing dome as the piston moves in the cylinder.