G05D23/1373

MINIATURE PASSIVE THERMAL CONTROL VALVE FOR MIXING OR SPLITTING SINGLE-PHASE FLUID WITH ADJUSTABLE THERMAL ACTUATOR

A passive thermal control valve comprising a thermal actuator coupled to a valve body having first and second ports. The thermal actuator including an actuator body having an inner bore. An adjustment stop engages the actuator body. A cylinder is received within the actuator body inner bore and the cylinder has a cylinder bore open at one end. An actuator spring within the actuator body biases the cylinder towards the adjustment stop. An actuator rod is at least partially received within the cylinder and has first and second ends. At least a portion of the actuator rod is allowed to extend through the open cylinder bore. A sealing element forms a seal between the actuator rod and the cylinder and defines a sealed chamber within the cylinder. A thermal fluid is contained within the cylinder. A lever mechanism is connected to the valve body and includes a lever having a first end connected to the valve body. A valve spool is connected to a lever second end. The valve spool is arranged and designed to close the first port and allow a system fluid to flow through the second port, close the second port and allow the system fluid to flow through the first port, or allow the system fluid to flow through both the first and second ports.

Valve core connection structure and stop valve set of valve assembly

A valve core connection structure of a valve assembly comprising: a body, two stop valve sets, two limitation structures, and two locking sleeves. The body includes a holder, a cold-water inflow connector, a hot-water inflow connector, a first outflow connector, a second outflow connector, a cold-water inflow seat, and a hot-water inflow seat. Each stop valve set includes a valve core, a limiting loop, a defining structure, and a locating structure. Each limitation structure is defined between a peripheral fence of each second accommodation cavity and the limiting loop so that the limiting loop is retained on the peripheral fence of each second accommodation cavity, thus limiting rotation of the limiting loop. Each locking sleeve is screwed on the cold-water inflow seat and the hot-water inflow seat so that the limiting loop and the valve core are limited in each second accommodation cavity.

Apparatus for controlling the temperature of an oil cooler in a motor vehicle

An apparatus for controlling the temperature of an oil cooler in a motor vehicle may include a temperature control arrangement. The temperature control arrangement may have a cold thermostat with a limit operating temperature and a warm thermostat with a lower limit operating temperature, the warm thermostat being connected in a fluid-connecting manner to the cold thermostat. The temperature control arrangement may also include a cold inlet for a coolant at a first temperature and a warm inlet for a coolant at a second temperature, the first temperature being lower than the second temperature. The temperature control arrangement may further include a coolant outlet fixable in a fluid-conducting manner to a coolant inlet of the oil cooler.

Control cartridge designed as scalding protection valve
10392785 · 2019-08-27 · ·

The invention relates to a control cartridge for single-lever mixer taps, comprising a housing in which a ceramic base disk and a rotatable and displaceable ceramic control disk resting on the base disk are situated. An inlet for the cold water and hot water, respectively, and an outlet for the mixed water are situated in the base disk, and the mixed water is diverted in the control disk and leaves the control cartridge via the outlet in the base disk. In order for automatic scalding protection to be integrated into the control cartridge, i.e., for the control cartridge to automatically close in the event of a scalding temperature of the mixed water, according to the invention at least one shape memory alloy (SMA) element is situated on the control disk, and takes on the temperature of the mixed water during operation of the control cartridge, and upon reaching a scalding temperature of the mixed water, expands and hereby automatically moves the control disk into the closed position in which no water arrives at the outlet, and the SMA element is supported on the one hand on the control disk and on the other hand on the housing.

Miniature passive thermal control valve for mixing or splitting single-phase fluid with adjustable thermal actuator

A passive thermal control valve comprising a thermal actuator coupled to a valve body having first and second ports. The thermal actuator including an actuator body having an inner bore. An adjustment stop engages the actuator body. A cylinder is received within the actuator body inner bore and the cylinder has a cylinder bore open at one end. An actuator spring within the actuator body biases the cylinder towards the adjustment stop. An actuator rod is at least partially received within the cylinder and has first and second ends. At least a portion of the actuator rod is allowed to extend through the open cylinder bore. A sealing element forms a seal between the actuator rod and the cylinder and defines a sealed chamber within the cylinder. A thermal fluid is contained within the cylinder. A lever mechanism is connected to the valve body and includes a lever having a first end connected to the valve body. A valve spool is connected to a lever second end. The valve spool is arranged and designed to close the first port and allow a system fluid to flow through the second port, close the second port and allow the system fluid to flow through the first port, or allow the system fluid to flow through both the first and second ports.

Valve Core Connection Structure and Stop Valve Set of Valve Assembly
20190243395 · 2019-08-08 ·

A valve core connection structure of a valve assembly comprising: a body, two stop valve sets, two limitation structures, and two locking sleeves. The body includes a holder, a cold-water inflow connector, a hot-water inflow connector, a first outflow connector, a second outflow connector, a cold-water inflow seat, and a hot-water inflow seat. Each stop valve set includes a valve core, a limiting loop, a first fixing structure, and a second fixing structure. Each limitation structure is defined between a peripheral fence of each second accommodation cavity and the limiting loop so that the limiting loop is retained on the peripheral fence of each second accommodation cavity, thus limiting rotation of the limiting loop. Each locking sleeve is screwed on the cold-water inflow seat and the hot-water inflow seat so that the limiting loop and the valve core are limited in each second accommodation cavity.

APPARATUS FOR CONTROLLING THE TEMPERATURE OF A OIL COOLER IN A MOTOR VEHICLE

An apparatus for controlling the temperature of an oil cooler in a motor vehicle may include a temperature control arrangement. The temperature control arrangement may have a cold thermostat with a limit operating temperature and a warm thermostat with a lower limit operating temperature, the warm thermostat being connected in a fluid-connecting manner to the cold thermostat. The temperature control arrangement may also include a cold inlet for a coolant at a first temperature and a warm inlet for a coolant at a second temperature, the first temperature being lower than the second temperature. The temperature control arrangement may further include a coolant outlet fixable in a fluid-conducting manner to a coolant inlet of the oil cooler.

WATER HEATER APPLIANCE WITH A FLOW METER
20180274792 · 2018-09-27 ·

A water heater appliance includes an electronic mixing valve configured for adjusting a ratio of cold water from a cold water inlet conduit to hot water from a hot water outlet conduit at a mixed water outlet of the electronic mixing valve. A flow meter is mounted to the mixed water outlet conduit or the cold water inlet conduit. A controller is configured to calculate a flow rate of hot water through the hot water outlet conduit based on a temperature measurement from each of a mixed water temperature sensor, a cold water temperature sensor and a hot water temperature sensor and a flow rate measurement from the flow meter.

CONTROL CARTRIDGE DESIGNED AS SCALDING PROTECTION VALVE
20170145670 · 2017-05-25 ·

The invention relates to a control cartridge for single-lever mixer taps, comprising a housing in which a ceramic base disk and a rotatable and displaceable ceramic control disk resting on the base disk are situated. An inlet for the cold water and hot water, respectively, and an outlet for the mixed water are situated in the base disk, and the mixed water is diverted in the control disk and leaves the control cartridge via the outlet in the base disk. In order for automatic scalding protection to be integrated into the control cartridge, i.e., for the control cartridge to automatically close in the event of a scalding temperature of the mixed water, according to the invention at least one shape memory alloy (SMA) element is situated on the control disk, and takes on the temperature of the mixed water during operation of the control cartridge, and upon reaching a scalding temperature of the mixed water, expands and hereby automatically moves the control disk into the closed position in which no water arrives at the outlet, and the SMA element is supported on the one hand on the control disk and on the other hand on the housing.

WATER HEATER
20250180250 · 2025-06-05 ·

A water heater includes a tank device including a tank, an inlet passage that is connected with the tank and that introduces a fluid into the tank, and an outlet passage that is connected with the tank and that releases the fluid in the tank to a consumption site, a heating device that heats the fluid in the tank, a heater that is attached through the tank and that directly heats the fluid in the tank, a controller that is electrically connected with the heating device and the heater and that controls operations of the heating device and the heater, and an upper tank temperature sensor that is disposed in an upper part of the tank and that measures the temperature of the fluid located in the upper part of the tank. The controller determines a target heating temperature, based on a target water outlet temperature and an operating load, in which the target heating temperature is a target temperature of the fluid in the tank, the target water outlet temperature is a required water outlet temperature, and the operating load is a load of the fluid released from the outlet passage. The controller operates at least one of the heating device or the heater when a tank outlet temperature being a temperature of the fluid in the tank obtained by the upper tank temperature sensor is lower than the target heating temperature by a reference temperature or more stops operations of the heating device and the heater when the tank outlet temperature is lower than the target heating temperature by less than the reference temperature or is higher than the target heating temperature.