摘要:
A gas supply control device for an apparatus, particularly a coking apparatus, includes timing means (20) and a first command means (12) for manually setting a an opening time interval of a safety valve of a gas tap (1), equipped with a second command means (6). In an installed condition of the control device (10), the command means (6, 12) are operable from outside the structure (7) of the apparatus, with the first command means (12) and the second command means (6) substantially rotating around one same axis, one independent from the other. The timing means (20) of the control device (10) belong to a functional unit (10a) which is coupled or configured for coupling with a portion of the body of the tap (2) which portion, in the above mentioned installed conditions, is located inside the structure (7) of the apparatus. The functional unit (10a) includes switch means (22), controllable by timing means for cutting off the electric current to a solenoid of the tap (1) at the end of a time interval set through the first command means (6), and hence causing the passage of the valve to the respective closed condition.
摘要:
An electro-thermal actuator device comprises a case defining a cavity in which are housed a thermal actuator, an electrical heater and, at least partially, an actuating shaft. The device comprises a multipolar connector for the rapid, secure and reliable coupling to a respective source of electrical power supply for the heater. The connector can be configured as an adapter unit distinct from the case, suitable to transform a traditional electro-thermal actuator device into a device according to the invention.
摘要:
An electro-thermal actuator device comprises a case defining a cavity in which are housed a thermal actuator, an electrical heater and, at least partially, an actuating shaft. The device comprises a multipolar connector for the rapid, secure and reliable coupling to a respective source of electrical power supply for the heater. The connector can be configured as an adapter unit distinct from the case, suitable to transform a traditional electro-thermal actuator device into a device according to the invention.
摘要:
A sprinkler device for fire extinguishing systems is adapted to be coupled to a fluid supply line and placed in an environment which is to be protected from fire. The device has an actuator sensitive to room temperature which causes motion of a shutter for controlling the flow of the fluid to an outlet when the room temperature exceeds a predetermined threshold. The actuation device has an unbreakable container in which there is stored a material having a volume which is a function of the container's temperature, a shaft movable in response to a change in volume of the material, and a closure and sealing device for the chamber and shaft.
摘要:
An actuator of the thermal type has a body, wherein a chamber is defined for containing a material which expands as a function of the temperature of said body; a shaft, having one end directly dipped into said material, the shaft being movable as a function of the increase and decrease of volume of said material; a closure and sealing device for the chamber and the shaft, including at least a closure element, configured as a washer or similar element, which is apt to cooperate mechanically with said body, at least a first sealing element, such as a bushing or similar element, which is apt to perform a first sealing on said shaft, and at least a second sealing element, such as a ring or similar element, which is apt to perform a second sealing on said shaft. The closure and sealing device has lower-support apparatus for at least one of the first sealing element and second sealing element, the lower-support apparatus being associated with the body at a pre-defined point of the latter, the closure element and lower-support apparatus delimiting a precise housing zone in the body for the first and second sealing elements.
摘要:
A device is described, for the adjustment of the flow rate of a liquid which circulates within thermal convectors or heat exchangers making up part of heating, conditioning or ventilation plants, or apparatus for the thermal treatment of products. The device comprises a body within which a movable shutter is provided, the position of which allows for adjusting the quantity of liquid flowing between at least an inlet duct and an outlet duct, the positioning of the shutter being obtained by way of a suitable actuator.The device comprises a control circuit and an instant flow rate and/or quantity meter of the liquid flowing in one of said ducts, for the automatic and continuous adjustment of the flow, by way of the appropriate positioning of the shutter.
摘要:
A biomedical microfluidic device for separating a sub-population of particles from a first fluid, particularly a biological fluid, has means for separation and/or filtration of the fluid, which include a first microfluidic path defined in a first body of the device, a first inlet for introduction of a first fluid in the first path and at least a first outlet for discharge from the first path of a sample of fluid enriched in the sub-population of particles.
摘要:
An electro-thermal actuator device includes a case defining a cavity in which are housed a thermal actuator, an electrical heater and, at least partially, an actuating shaft. The device comprises a multipolar connector for the rapid, secure and reliable coupling to a respective source of electrical power supply for the heater. The connector can be configured as an adapter unit distinct from the case, suitable to transform a traditional electro-thermal actuator device into the actuator device described above.
摘要:
A biomedical microfluidic device for separating a sub-population of particles from a first fluid, particularly a biological fluid, has means for separation and/or filtration of the fluid, which include a first microfluidic path defined in a first body of the device, a first inlet for introduction of a first fluid in the first path and at least a first outlet for discharge from the first path of a sample of fluid enriched in the sub-population of particles.
摘要:
A device has a body defining a space for the passage of a fluid, as well as a detector of a hydraulic or chemical-physical property of the fluid in the space. The detector is connected to a control unit by means of a wireless communication system that includes a data transmission circuit, connected to the detector, and a data receiving circuit, interfaced to the control unit. The wireless communication system includes a radio-frequency passive electric circuit without independent power supply.