13 results about "Aquastat" patented technology

DOUBLE TANK ELECTRIC WATER HEATER WITH AN ELECTROMECHANICAL THERMOSTAT CONTROL SYSTEM, AND ITS CONTROL METHOD The invention relates to a double tank electric water heater (1) comprising a first tank (2) equipped with a first heating element (2c), a second outlet tank (3) equipped with a second heating element (3c) and a control system comprising: a first electromechanical thermostat (5) controlled by a first temperature probe (6) located in the first tank (2); and a second electromechanical thermostat (7) controlled by a second temperature probe (8) located in the second tank (3); the first and second electromechanical thermostats (5, 7) being respectively connected to the first and second heating elements (2c, 3c) and being configured to allow heating in the first tank (2) only when the heating in the second tank (3) has reached its control setpoint. Figure to be published with the abbreviation: Figure 1

A water heater gas valve shank assembly has a temperature sensor mechanically retained in a body connected to a water heater. The temperature sensor has a support which receives at least one thermistor at a first end. The support spaces the at least one thermistor from interior surfaces of a tube portion of the temperature sensor with the temperature sensor and body forming a watertight seal. The temperature sensor provides temperature indication to a thermostat to assist in controlling operation of a gas valve providing gas to a burner in the water heater.

The utility model relates to the technical field of intelligent toughening furnaces and discloses a double-temperature-control intelligent toughening furnace which comprises a temperature control pipeline, a constant temperature layer is fixedly connected to the outer side of the temperature control pipeline, a heating structure is fixedly connected to one side of the temperature control pipeline, and a cooling structure is fixedly connected to the side, away from the heating structure, of the temperature control pipeline. The constant temperature layer comprises a main body and a thermostat assembly. The heating structure is arranged, the heating structure comprises the pressure sealing inlet hole, the pressure sealing inlet hole is connected with the heating structure and the temperature control pipeline, then the temperature control pipeline conveys a water source to the inner side of the heating structure through the water supply inlet, and the steam cooling section heat shielding plate is connected with the pipe spacer through the partition plate. And the heat is transmitted to the drainage cooling section partition plate, the drainage cooling section partition plate transmits the heat to the temperature control pipeline through the drainage outlet, the heating effect is achieved, intelligent and automatic heating in the furnace body is achieved through the arrangement of the heating structure, and practicability is achieved.

A residential heating station (100) with a heat exchanger (300) is provided, featuring a first, second, third, and fourth connection (301-304). A first connection (301) is connected to a heating water supply (340), a second connection (302) to a heating water return (350), a third connection (303) to a domestic cold water return (360), and a fourth connection (304) to a domestic hot water supply (370). The residential heating station (100) also includes a thermostatic unit (200) with a temperature sensor (210) and a valve (220). The temperature sensor (210) extends at least partially into the fourth connection (304). The valve (220) is located in the heating water supply (340). A functional connection exists between the temperature sensor (210) and the valve (220), so that the valve (220) is controlled depending on the temperature of the water at the fourth connection (304) detected by the temperature sensor (210).

The application is a divisional application of application No. 2023103969586, and relates to the technical field of refrigeration equipment, in particular to a water-cooled thermostat with high heat exchange efficiency, which comprises a water tank and a heat exchange assembly. The water tank is internally provided with an inner cavity and a mounting cavity. The inner cavity is provided with a first water inlet end, and the mounting cavity is provided with a first water outlet end and a second water inlet end. The heat exchange assembly is located between the second water inlet end and the first water outlet end. The mounting cavity is provided with a plurality of guide plates which are arranged at intervals. The heat exchange assembly comprises a refrigeration end which extends into the mounting cavity. The refrigeration end is provided with refrigeration fins which are close to the mounting cavity. The heat exchange assembly further comprises a heat exchange pipeline which extends into the inner cavity and is in communication with the mounting cavity. The refrigeration fins extend towards the mounting cavity. The refrigeration fins are arranged at intervals. The guide plates extend towards the refrigeration fins. The guide plates are arranged opposite to the refrigeration fins. The application reduces the moving speed of water in the mounting cavity through the guide plates. The water fully contacts the heat exchange assembly for heat exchange, thereby effectively improving the persistence of water-cooled cooling.

The present application relates to the technical field of refrigeration equipment, and specifically relates to a water-cooled thermostat, which comprises a water tank, a heat exchange assembly connected with the water tank and capable of refrigeration, an inner cavity with an open upper end arranged in the water tank, and a mounting cavity for accommodating the heat exchange assembly, a first water inlet end extending to the outside of the water tank arranged on the inner cavity, a first water outlet end extending to the outside of the water tank and a second water inlet end communicated with the inner cavity arranged on the mounting cavity, the heat exchange assembly located between the second water inlet end and the first water outlet end, and the mounting cavity being provided with a plurality of flow guide plates. The flow guide plates reduce the moving speed of water in the mounting cavity, the water is fully contacted with the heat exchange assembly for heat exchange, and the persistence of water-cooled cooling is effectively improved.

To achieve both early activation of the oxygen sensor element in the event of a thermostat water leak and optimal control of the heater's power supply prohibition. [Solution] The engine device 10 includes an engine coolant passage 27, a radiator circulation passage 32 that goes through the radiator 31, a bypass passage 33 that does not go through the radiator 31, a thermostat 36 that selectively switches the flow of coolant to the radiator circulation passage 32 or the bypass passage 33, a temperature sensor 26 that detects the temperature of the coolant, and a sub-oxygen sensor 24 having a heater 24b. The ECU 22 determines that there is a water leak in the thermostat 36 when the temperature difference between the actual coolant temperature and the simulated coolant temperature detected by the temperature sensor 26 is greater than or equal to a predetermined value, and energizes the heater 24b.

The invention relates to the technical field of hydrogen fuel cells, and discloses a heating and heat preservation device and method for a cooling water path of a hydrogen fuel cell, the heating and heat preservation device comprises a cooling water path main body, and the outer side of the cooling water path main body is fixedly connected with a constant-temperature layer. The constant-temperature layer is arranged on the outer side of the cooling waterway main body and comprises the constant-temperature shell, the constant-temperature shell is used in cooperation with the thermostat I and the thermostat II to keep the temperature balance of the cooling waterway main body, and the heating structure is arranged on one side of the cooling waterway main body and comprises the pressure sealing inlet hole. The pressure sealing inlet hole is connected with the heating structure and the cooling water path body, then the cooling water path body conveys a water source to the inner side of the heating structure through the water supply inlet, and the steam cooling section heat shielding plate transmits heat to the drainage cooling section partition plate through connection of the partition plate and the pipe spacer. The drainage cooling section partition plate transmits heat to the cooling water channel body through the drainage outlet, and the heating effect is achieved.

An engine cooling device is provided. An electronic control unit that performs abnormality diagnosis of a thermostat that opens and closes a radiator water passage based on a comparison result of a rising speed of an outlet water temperature of a water jacket of an engine with a normal / abnormal determination value is configured to perform abnormality diagnosis of the thermostat by setting a value that is smaller than that of other periods as the normal / abnormal determination value during a transition period from when the engine cooling water starts to flow into the water jacket from a first warm-up water passage provided with a heater core or a second warm-up water passage provided with a water-water heat exchanger until a predetermined time elapses.

The utility model relates to the technical field of automatic water drinking thermostats for livestock, in particular to an automatic water drinking thermostat for livestock, which comprises a base, a preheating water tank and a heating water tank, a constant-temperature heating component is mounted at the top of the heating water tank, and a scraper component is mounted in the heating water tank. And a driving assembly is mounted at the top of the heating water tank. The output end of the motor is controlled to rotate to drive the scraping disc to slide in the installation direction of the heating rod, water scale formed on the surface of the heating rod can be scraped through the scraping holes, then the scraped water scale can be discharged by opening the blow-down valve, and therefore impurities such as the water scale in the heating water tank are cleaned, and the water scale removal efficiency is improved. Therefore, water in the heating water tank is prevented from being polluted, livestock is prevented from getting ill after eating the livestock, meanwhile, scale on the surface of the heating rod is scraped, the use efficiency of the heating rod can be guaranteed, the use power consumption of the heating rod is reduced, and cost loss is reduced.

The utility model provides a movable heat pump type constant-temperature water tank for an experiment. The movable heat pump type constant-temperature water tank comprises a compressor, a four-way valve, a first condenser, a throttling valve, an evaporator, a first water tank body, a water pump and a thermostat, the compressor, the four-way valve, the first condenser, the throttling valve and the evaporator are sequentially connected in series in a closed loop mode to form a first refrigerant circulation flow path. The first condenser is arranged in the first water tank body and is used for exchanging heat with water in the first water tank body; the water pump communicates with the first water tank body and is used for pumping water from the first water tank body and supplying water outwards; the thermostat is arranged on a water outlet flow path of the water pump or between the first water tank body and the water pump and used for conducting heat exchange with water flowing out of the first water tank body so that the water temperature can be controlled within a set range. Through the arrangement, the temperature of water in the water tank is controlled through the heat pump and the thermostat, so that the water temperature is more accurately controlled, and meanwhile, the energy consumption is reduced. In addition, the water tank is easier to operate independently and can be manufactured into movable experimental heat pump type constant-temperature water tank equipment.

The invention relates to a steam ironing and / or wrinkle removing appliance (1) comprising: a heating body (4) comprising an instantaneous vaporization chamber (6), the heating body (4) comprising a resistor (5) and a mechanical thermostat (7), an electric pump (3), and a treatment surface comprising at least one steam outlet opening (12A), characterized in that the pump (3) is powered by a power supply circuit taking into account the open and closed state of the mechanical thermostat (7), the power supply circuit modifies an operating condition of the pump (3) as a function of a state of the thermostat (7), the pump (3) operating at a first flow rate when the thermostat (7) is in a closed state, and the pump (3) operating at a second flow rate when the thermostat (7) is in an open state, the first flow rate being lower than the second flow rate.

Radiator thermostat (11) for valves in heating or cooling systems for regulating room air temperature, - with a valve connection part (12) and with a fastening means (14) arranged thereon for a valve connection, - with an intermediate housing (19) which is connected to the valve connection part (12) via a thread (17), - with a temperature displacement sensor (28) arranged between the intermediate housing (19) and the valve connection part (12), which has a pot-shaped housing (32) with a closed bottom (35) and a metal bellows (36) at least partially enclosed by the housing (32), the metal bellows opening (37) of which is opposite the bottom (35) of the housing (32), wherein the housing (32) and the metal bellows (36) form a closed control volume filled with a medium, and a metal bellows bottom (38) of the metal bellows (36), which is opposite the metal bellows opening (37), performs an actuating movement depending on the temperature of the medium, - with a control plunger (26) for the valve to be actuated, which can be controlled by the temperature displacement sensor (28), characterized in that - the temperature displacement sensor (28) is aligned with its closed base (35) pointing towards the control plunger (26) and / or - that a thermal shielding device (51) is provided between the control plunger (26) and the temperature displacement sensor (28).