A valve for applying an emergency brake of a rail vehicle includes a valve housing, an actuation member to be activated by a user, an actuation rod connecting the actuation member with a valve head, wherein the valve head is adapted to abut on a valve seat, a guidance for guiding the actuation rod being provided within the valve housing, and a first spring adapted to push the valve head against the valve seat, wherein the actuation rod includes a first groove and a second groove, and wherein a first following member is provided between the actuation rod and the guidance, being adapted to stably rest in the first groove or the second groove.

A piezoelectric valve includes: a valve main part including a gas pressure chamber receiving compressed gas supplied from outside; a plate inside the valve main part, and an actuator fixed to the plate and inside the valve main part, which is a case with an opening on a front surface. The plate includes a gas discharge path and a valve seat coming into contact with a valve element of the actuator opening and closing the gas discharge path. A lid member that closes the opening of the case has a gas discharge opening communicating with the gas discharge path of the plate; is welded and fixed to a front surface of the plate, where the gas discharge path opens, on an annular welded part surrounding the gas discharge opening; and is welded and fixed to an end surface of the case on an annular welded part on the outer peripheral part.

Temperature control device (1) has a hot water inlet (12), a cold water inlet (14) and an outlet (16) for tempered water. A diffuser (18) is provided in the device (1) to disrupt the flow of hot water after it enters the device (1). The disrupted hot water emerges from the diffuser (18) into a chamber (20) in which it is melded with cold water that is able to enter the chamber (20) from the inlet (14) when a piston (22) is spaced from a seat (24). The melded hot and cold water result in tempered water that is discharged from the outlet (16). A temperature sensitive device (26) is provided, which is responsive to changes in ambient temperature. A temperature setting mechanism (52) is provided which is operatively associated with the temperature sensitive device (26) and permits the maximum temperature of the discharged tempered water to be adjusted.

The invention concerns a thermostatic valve (1) comprising a closed hollow body (2), a first opening leading into the hollow body (2), referred to as the inlet opening (4), a second opening leading into the hollow body (2), referred to as the main outlet (5), a third opening, substantially perpendicular to the second opening, leading into the hollow body (2), referred to as the bypass outlet (7), and a seal (11) allowing the inlet opening (4) to be alternately separated from the main outlet (5) or the bypass outlet (7). The seal (11) comprises a thermostatic actuator (12) and a skirt (13) which is made of plastic material and has at least one window (19) suitable for being traversed by a fluid, the skirt (13) being capable of sliding in the hollow body (2), along an axis that substantially coincides with the axis of the thermostatic actuator (12), between a first position in which the skirt (13) seals the main outlet (5), such that the fluid flows between the inlet opening (4) and the bypass outlet (7), and a second position in which the skirt (13) leaves the main outlet (5) open and seals the bypass outlet (7), such that the fluid from the inlet opening (4) can pass through the window (19) and flow through the main outlet (5).

A water control system including a showerhead and a tub faucet. The faucet has a valve configured to automatically restrict fluid flow through the faucet and direct fluid to the showerhead as a function of a parameter, such as a predetermined water temperature. The faucet has many modes of operation, including a Reset Mode, an Auto-Divert Mode, a Bypass Mode, and a Cold Mode. A flow control device generates minimal back-pressure when in the Reset Mode such that water does not undesirably back flow to a shower head.

A stability control augmentation system and method for a flight control surface of an aircraft. The system includes s an actuator operable for actuating the flight control surface, and a control valve comprising a spool and an integrated augmentation mechanism. The spool and the actuation mechanism are both moveable to open and close a fluid flow path through the control valve to control the actuator.

A water flow rate automatic control module, relating to the field of thermostatic shower fittings. The water flow rate automatic control module comprising a base, a valve body, a thermosensitive assembly, a diaphragm, wherein a temperature sensing part senses the temperature of passing cold water in real time; when the temperature of cold water is too low, the mixed water flow rate is slowed down, and more hot water is supplied to a thermostatic valve core assembly for mixing; when the temperature of cold water is too high, the mixed water flow rate is increased, and more cold water is supplied to the thermostatic valve core assembly for mixing. Therefore, the mixed water temperature range of the thermostatic valve core assembly can be ensured, and the problem of temperature adjustment failure or beyond the temperature difference caused by matching the thermostatic shower with a gas water heater is solved.

An electromagnetic flexure valve (1) including: a first pole piece (50a) and a second pole piece (50b); a flexure assembly (40) a portion of which is configured for movement between a first state adjacent the first pole piece and a second state adjacent the second pole piece; a coil (20) configured to receive electrical power from a power supply and to actuate the flexure assembly between the first and second states; and a biasing configuration configured to bias the flexure assembly into the first or the second state when the coil is not powered and irrespective of the current state of the flexure assembly such that a failsafe mode is provided.

A mixing cartridge (1) for a sanitary faucet, comprising at least: a mixing chamber (2) having at least one hot-water inlet (3) for hot water and at least one cold-water inlet (4) for cold water, and a vortex element (5) for at least partially swirling the hot water and the cold water in the mixing chamber (2), wherein the vortex element (5) comprises a plurality of outer wedge-shaped vortex bodies (6) and a plurality of inner wedge-shaped vortex bodies (7).

Method of adjusting the pressure balance or a control device, in particular of a servo valve, the requisite adjusting movement being applied by a disc translator.