Abstract: A socket wrench with a reversible structure includes a rod, a sleeve, a first ratchet block and a second ratchet block. The rod has a columnar surface, and includes a first slot and a second slot. The first slot and the second slot are disposed on different positions along an axis direction of the rod. The sleeve is slidably sleeved on the rod, and includes an accommodating end and a driving end. The accommodating end includes a toothed segment which is protruded radially inward from an inner wall of the accommodating end. The first ratchet block is movably disposed in the first slot and includes a first ratchet portion. The second ratchet block is movably disposed in the second slot and includes a second ratchet portion. The toothed segment of the sleeve is selectively engaged with one of the first ratchet block and the second ratchet block.

Abstract: An automatic cleaning device includes a mobile platform, a lifting station, a cleaning module, a liquid supplying module, and a collecting module. The mobile platform is configured to automatically move in a target direction on a surface to be cleaned. The lifting station is connected to the mobile platform and configured to move upwards or downwards with respect to the mobile platform. The cleaning module is connected to the lifting station and configured to clean the surface to be cleaned; the liquid supplying module is configured to provide cleaning liquid to the surface to be cleaned; and the collecting module is configured to collect the cleaning liquid. A height of the cleaning module of the automatic cleaning device is adjustable, and the automatic cleaning device has a great cleaning strength and is capable of collecting dirty cleaning liquid, thus, the automatic cleaning device can be applied broadly.

Abstract: A powder spray gun includes a powder flow path inlet and a powder flow path outlet, the powder flow path inlet being connectable in a first configuration to a dilute phase powder pump and in a second configuration to a dense phase powder pump, wherein the powder spray gun comprises a spray nozzle that is the same for the first and second configurations. The powder flow path is provided by a powder tube that extends through the gun, with the powder tube having a first diameter at an inlet portion of the spray gun and a second diameter at an outlet portion of the spray gun, with the second diameter being greater than the first diameter. The powder flow path may also include a conical transition portion, and a member for adding air to the powder flow.

Abstract: A control method of a grinding water flow rate during a double side grinding process. A double side grinder used includes a grinding wheel, a feed unit and a water supply device, wherein a water inlet is disposed on the feed unit. The control method includes: prepare for grinding and complete the installation of a workpiece according to an operation procedure of the double side grinder; during a process of double side grinding, the flow rate of the water inlet is set to decrease with the shortening of the teeth length of the grinding wheel, with the flow rate of the water inlet being set to have a linear relationship with the teeth length of the grinding wheel.

Abstract: A hose nozzle for spraying fluids is disclosed. The hose nozzle comprises a faceplate rotatable about a central pivot axis to two or more user-selectable rotational orientations. The faceplate comprises an upstream sealing surface and two or more entry openings. A seal member defines a seal opening that comprises a portion of a fluid flow pathway within the hose nozzle. The seal member may comprise a downstream sealing surface.

Abstract: A liquid-emitting device for gravity-based irrigation systems includes a support structure that defines a first axis and has a nozzle for generating an irrigation jet coaxial with the first axis, a tubular body below the support structure, and a baffle plate facing the nozzle and rotatably mounted in the tubular body to rotate about a second axis. The nozzle is stationary and the second axis is free to rotate about the first axis with a precessional motion. Guides are removably coupled to the tubular body to interact with the baffle plate and prevent the precessional motion while allowing the rotational motion about the second axis. A diverting member may be removably positioned downstream from the nozzle to distribute the liquid over an area of the soil. An arrangement of a nutating liquid-emitting device in combination with an anti-nutating adaptation kit is also disclosed.

Abstract: A spray nozzle assembly is provided with an electrode, a wear resistant member, and a compliant sleeve. The wear resistant member supports the electrode and is supported by the compliant sleeve. For coating operations that use abrasive powder such as porcelain enamel, the wear resistant member may comprise ceramic. The compliant sleeve may be made of an elastic material such as plastic, which allows one end of the compliant sleeve to receive an end of a glass powder tube. The wear resistant member may be in the form of a ceramic spider. The electrode may be installed in-line with a powder flow path defined by the powder tube, which extends through a spray gun body.

Abstract: Nozzle assemblies adapted to produce a laminar fluid flow and maintain the laminar fluid flow over a substantial distance facilitate cleaning of a confined space, such as a sewer vault, without personnel entry into the confined space, and include a housing having an inlet, an outlet, and an internal channel extending between the inlet and the outlet. The nozzle assembly can further include a flow straightener assembly within the internal channel. The flow straightener assembly can have a first section with a first plurality of tubes fluidly connected to the inlet, and a second section with a second plurality of tubes fluidly connected to the first plurality of tubes and the outlet. A quantity of the first plurality of tubes is different than a quantity of the second plurality of tubes.

Abstract: A debris collecting base station cooperates with the cleaning robot. The cleaning robot has a debris outlet for discharging debris. The debris collecting base station includes a base, a debris collecting device, a first communication component and a microcontroller. The base has a debris intake passageway. One end of the debris intake passageway pneumatically interfaces with the debris outlet, the debris collecting device is mounted on the base and is communicated with the end of the debris intake passageway away from the debris outlet. The microcontroller is electrically connected to the first communication component and the debris collecting device, which controls the first communication component to send and receive interactive signals with the cleaning robot and controls working modes of the debris collecting base station based on the interactive signals.

Abstract: A vacuum hose has a switch that allows an operator to selectively send control signals to a transceiver to control the operation of a central vacuum unit. The switch may be located on a cuff or nozzle defining a distal end of the vacuum hose. The switch is not located on a head unit that couples to the cuff or nozzle and not located on a wall-mounted valve. The switch can be an energy harvesting switch that requires no batteries or no dedicated power source (i.e., not hardwired).

Abstract: A walk-behind floor microscrubber apparatus. The microscrubber includes as main subassemblies an upright handle assembly pivotally connected to a base assembly. The handle assembly includes components for recovering a cleaning solution applied to the floor during cleaning operations. The base assembly houses electrically powered motors for driving scrubbing brushes, and a clean solution reservoir. Spent cleaning solution applied to the floor is sucked to a recovery tank on the handle assembly. The microscrubber has features for avoiding vacuum motor flooding, including a specially-shaped recovery tank. Chambers in the recovery tank capture used cleaning solution when the handle assembly is tilted, thereby reducing the likelihood of solution travelling back to the vacuum motor. The microscrubber also has an exoskeleton reserve tank in the handle assembly.

Abstract: A transport refrigeration unit (TRU) fire detection and mitigation system is provided for use with a TRU that includes a housing and components supportively disposed within the housing that are configured to condition an interior of a container. The TRU fire detection and mitigation system includes a fire detection sub-system and a mitigation sub-system. The fire detection sub-system is partially disposable within the housing and configured to detect a thermal event therein. The mitigation sub-system is coupled to the fire detection sub-system and configured to take a mitigation action responsive to the thermal event being sensed by the fire detection sub-system.

Abstract: Fire spikes and fire spike tips adapted to penetrate a surface and distribute a fire suppressant, such as, water, on the opposite side of the surface are provided. The fire spike tips include a cylindrical body having a first end adapted to be received by a conduit and a second end having a pointed projection adapted to penetrate the surface; an internal cavity in the cylindrical body having an open first end and a closed second end; a plurality of first orifices in the body, each of the plurality of first orifices directed in a first substantially radial direction; and a plurality of second orifices in the body, each of the plurality of second orifices directed in a second direction which at least partially intersects with the first direction of the plurality of first orifices. Kits for the fire spikes and methods of suppressing fire are also provided.

Abstract: A fire extinguisher discharge nozzle is provided and includes sidewalls and a biasing element. The sidewalls define an aperture through which a medium(s) is dischargeable and are adjustable between multiple first and multiple second positions associated with dilated and constricted conditions of the aperture, respectively. The biasing element is configured to bias the sidewalls toward assuming one of the multiple first or multiple second positions. The sidewalls are drivable toward assuming the other one of the multiple first or multiple second positions in opposition to bias applied by the biasing element in accordance with a characteristic of the medium(s).

Abstract: A liquid ejection device includes: a nozzle including a nozzle opening through which a liquid is ejected; a liquid transfer tube through which the liquid is transferred to the nozzle; and a first tube with the nozzle and the liquid transfer tube being provided therein, having a first end and a second end, and having a first opening at the first end, in which the nozzle opening is positioned closer to a second end side than the first opening of the first tube, and when a position where the liquid ejected from the nozzle becomes a droplet is set as a droplet formation position, and a distance from the nozzle opening to the droplet formation position is set as a droplet formation distance, a distance between the nozzle opening and the first opening is equal to or greater than the droplet formation distance.

Abstract: An aircraft engine fire extinguishing system includes a supply housing for containing a fire extinguishing agent. Also included is a line for routing the fire extinguishing agent from the supply housing. Further included is a nozzle structure operatively coupled to the line, the nozzle structure having a non-circular opening for expelling the fire extinguishing agent.

Abstract: A sprinkler assembly with a nutating distribution plate can improve even distribution of water. The distribution plate can tilt and/or translate upon water impinging the distribution plate to disperse water in different directions. The sprinkler assembly can have a deflector assembly including the distribution plate, a spindle supported by a bearing, and a contact portion downstream of the distribution plate to contact a housing that limits a range of movement of the distribution plate. The sprinkler assembly can be disassembled and reassembled with minimal tools and effort for servicing.

Abstract: Proposed is a vibration nozzle for a bidet, having a nozzle tip and a vibration motor that are formed to be separate such that the nozzle tip has maximized vibration efficiency so as to allow clean washing, the nozzle tip is coupled only to a part of the inside of the front end of a nozzle so as to be reduced in size, thereby having reduced manufacturing costs, and washing water supply pipes connected to the nozzle tip are arranged at both sides of the shaft of the vibration motor such that the diameter of the nozzle can be minimized and a structure for forming a separate water channel is unnecessary, and thus manufacturing costs can be reduced.

Abstract: A nozzle assembly, an ejecting device and an ejecting method are provided. The nozzle assembly includes an electrode and an insulating body portion. A first fluid channel is arranged in the insulating body portion, an opening is formed on the inner surface. A second fluid channel is arranged between the inner surface of the insulating body portion and the side surface of the electrode. An ejecting outlet is formed on the outer end surface. The second fluid channel is communicated with the first fluid channel at the opening. At least part of the second fluid channel is located between the first fluid channel and the electrode. In the first direction, the opening is located between the first end surface and the second end surface of the electrode.

Abstract: A two-piece nozzle for an aerosol dispenser has an outer piece with a tubular wall open on one side and closed on the other by a front wall (122), forming a cavity, with an outlet opening (123) in a center of the front wall; an inner piece dimensioned to penetrate into the cavity of the outer piece and be retained there, piece; channels (112, 125) in the cavity of the outer piece and/or on the surface of the inner piece, wherein said channels open into a turbulence chamber (127) in communication with the outlet opening (123) placed downstream in the flow path of the product flow; and a protrusion (113, 114) in the center of the front face of the inner piece, whose free portion opposite the front face, called torpedo (114) penetrates into the outlet opening (123) to reduce its cross section and form an annular outlet orifice.