A gear of a speed reducer of an actuator includes: an insert component; a center portion; an outer peripheral portion; a connecting portion; a gate mark; a weld-line portion; and a rib-shaped portion. The center portion surrounds the insert component. The outer peripheral portion includes a toothed portion and a toothless portion. The weld-line portion is formed in at least one of the center portion, the connecting portion and the outer peripheral portion at a location which is on a radially inner side of the toothless portion. The rib-shaped portion is formed in at least one of the center portion, the connecting portion and the outer peripheral portion at a location which includes the weld-line portion. The rib-shaped portion has a wall thickness that is larger than a wall thickness of another circumferential portion.

A throttle valve device includes a shaft in a cylindrical passage, a slit passing through the shaft from one lateral side to another lateral side of the shaft, a pair of bearings on both sides of the cylindrical passage and rotatably supporting one end part and another end part of the shaft, and a circular-plate valve inserted into the slit of the shaft and rotatable to open and close the cylindrical passage. A length of the slit on the one lateral side of the shaft is, in an axial direction of the shaft, longer than a length of the slit on the other lateral side of the shaft. A round end hole is formed at an end of the slit in the one end part of the shaft on the one lateral side of the shaft.

An actuator includes an electric motor, an output shaft and a speed reducer. The speed reducer includes at least one metal gear which has a plurality of teeth made of metal. The speed reducer is configured to transmit rotation, which is outputted from the electric motor, to the output shaft after reducing a rotational speed of the rotation. The actuator includes a housing that receives the electric motor and the speed reducer. The actuator includes a plate member that is configured to limit scattering of a scattering object, which is generated in response to an operation of the speed reducer and is scattered from the at least one metal gear.

An irrigation management system is disclosed and positionable in-line with an irrigation pipe for monitoring and controlling a flow of fluid therethrough. In at least one embodiment, the system provides an inlet pipe and an opposing outlet pipe in serial fluid communication with the irrigation pipe. At least one fluid control valve is in serial fluid communication between the inlet pipe and outlet pipe for selectively controlling the flow of fluid therebetween. The fluid control valve provides a main valve and a hydraulic actuator for selectively moving the main valve between open and closed positions. The hydraulic actuator is also in serial fluid communication between a pair of actuator valves for moving the hydraulic actuator between open and closed positions. The system also provides at least one sample collection tank configured for temporarily storing a volume of fluid diverted from the irrigation pipe in order to be tested.

A fluidic command device of a thermal management assembly having a first and a second pump group is provided. The fluidic command device has four inlet and outlet ports, and an auxiliary duct connecting the pump groups, and is configurable in a first configuration, in which working fluid flows into the first inlet port and out of the first outlet port, flowing into the first pump group, the auxiliary duct and the second pump group, a second configuration, in which working fluid flows into the second inlet port and out of the second outlet port, flowing in the first and second pump groups, and a third configuration, in which working fluid flows into the third inlet port and out from the third outlet port, flowing into the first pump group, and into the fourth inlet port and out of the fourth outlet port, flowing into the second pump group.

Disclosed is a four-way reversing valve, including a valve body, a motor transmission structure, and a reversing valve disc; the valve body includes a valve seat, an insulation sleeve welded to upper end surface of the valve seat, a D pipe, an S pipe, a C pipe, and an E pipe connected to lower end surface of the valve seat; the motor transmission structure includes motor worm gear and shaft transmission assembly and a planetary gearbox kit; the motor worm gear and shaft transmission assembly is sleeved onto upper external wall of the insulation sleeve through shaft hole of an external drive sprocket, and a non-through blind-hole is formed in a valve seat center; a central shaft is embedded into the blind-hole, and the central shaft connects the reversing valve disc and the planetary gearbox kit; the reversing valve disc and the planetary gearbox kit are inside the insulation sleeve.

A control valve assembly includes a valve body defining an inlet, an outlet and a fluid flow pathway therebetween. A ball valve is positioned within the fluid flow pathway and includes a rotatable ball having an inlet opening, an outlet opening and a flow pathway therebetween, an upstream seat ring positioned at an inlet side of the ball, and a downstream seat ring positioned at a downstream side of the ball, the seat rings being configured to substantially seal off fluid flow between upstream and downstream sides of the ball except through the ball fluid flow pathway. At least one of the upstream and downstream seat rings is a dynamic sealing seat ring. A retainer ring is positioned between the dynamic sealing seat ring and a portion of the rotatable ball to substantially prevent deformation of a portion of the dynamic sealing seat ring in a direction toward the ball.

A diverter valve includes a diverter valve assembly, a diverter valve transmission assembly, a drive motor and a control device used to control the drive motor. Controlled by the control device, the drive motor drives the diverter valve transmission assembly to perform a transmission action, so as to drive the diverter valve assembly to perform switching actions. The diverter valve transmission assembly is an intermittent gear transmission assembly. Driven by the drive motor, each time the intermittent gear transmission assembly performs the transmission action at least once, the control device controls the drive motor to stop driving. In this way, during the action process, not only the transmission is stable and reliable, the noise is low, but it is also wear-resistant enough under high-frequency use, which can meet the requirements of long-term working consumption of the beverage machine.

An installment method of a fluid control body and a fluid control device including a fluid control body with which processes of designing, manufacturing, and managing the fluid control body are simplified to suppress cost of manufacturing, etc, includes a cut-off step of cutting off part of a fluid pipe inside a casing, and an installment step of installing the fluid control body including an on-off valve formed by a valve seat body and a valve element, and a partition body formed by a wall portion, a lid portion, and a seal component, inside the casing in a sealed manner in a state where an operation shaft of the on-off valve is placed in a direction different from the vertical direction.

Disclosed is a valve control device, comprising: a drive unit; an execution mechanism, connected to the drive unit by a transmission mechanism, attached to a valve, and configured to be able to move under the drive of the drive unit, so as to drive the valve to rotate; and a control module, connected to the drive unit, and configured to be able to control the drive unit. The valve control device according to the present invention may be mounted on an existing manually operated valve in a pipeline such as a water pipeline or a gas pipeline, and it is not necessary to remodel the existing valve and pipeline, so that the valve can be remotely, intelligently, and automatically controlled, and a water leakage situation, a gas leakage situation or the like caused by untimely response are avoided.