Abstract: A disposable air and water (AW) valve assembly and suction valve assembly for an EUS instrument. The AW assembly includes an AW valve and an endcap for receiving the AW valve therebetween. The AW valve includes an AW stem connected to a valve stem. The suction valve assembly includes a suction valve disposed in a suction endcap. The suction valve also includes a valve stem. The valve stem is disposed between a suction valve opening such that portions of the valve stem extend beyond opposed ends of the suction endcap. The suction valve is formed from a suction stem and a piston connected to the suction stem.

Abstract: Method and system for creating and implementing a cleaning-in-place installation cleaning process for a process installation, wherein an installation to be cleaned is represented as process modules that each include an item of self-description information with respect to the respective cleaning properties and that are each configured to transmit the self-description information, where the system has at least one auxiliary module that provides auxiliary services for the installation cleaning process, and a process planning unit that has an item of cleaning process information having cleaning steps needed at least for the installation cleaning process and model descriptions of cleaning efficiency for each cleaning step, and the process planning unit determines a cleaning schedule in a partially automated manner on a system-specific basis based on the cleaning process information supplemented with self-description information relating to the process modules and taking into account information relating to the at

Abstract: Array plates in accordance with the present teachings may include: a perforated cover plate defining a plurality of first apertures, a supportive base plate defining a planar surface, and a gasket sandwiched between the perforated cover plate and the supportive base plate. Array plates are configured to support a slide, such that the slide is sandwiched between the gasket and the supportive base plate. In some examples, an array plate system in accordance with the present teachings includes a slide ejection tool and/or a gasket installation tool.

Abstract: Embodiments of the present disclosure relate to the field of semiconductor manufacturing, and provide a carrier device. The carrier device includes a carrier 11 and a carrying plate 12 rotatably provided on the carrier 11, where in a non-working state, the carrying plate 12 is in an inclined position; in a working state, the carrying plate 12 is in a horizontal position. The present disclosure makes it hard for impurities such as dust to accumulate on the carrier, so as to prevent a photomask from being contaminated and improve the product yield.

Abstract: Tray flipper automation tools are described. In one example, a tray flipper includes a flip arm positioned along a conveyor, a tamper arm, a drive system, and a controller. The controller is configured to detect alignment of a tray on the conveyor with the flip arm, direct the drive system to rotate the tamper arm to a position over the tray, and actuate a tamper plate of the tamper arm to secure contents in the tray. The controller is also configured to rotate the tamper arm and the flip arm, with the tray secured between them, to an inverted position off of the conveyor. Items positioned within the tray can be flipped over when the tamper arm and the flip arm rotate away from the conveyor. The flip arm and tray can then be rotated back, leaving the items resting on the tamper plate for inspection and materials handling steps.

Abstract: A method, system and composition for decontaminating a vessel. In an embodiment, a solvent composition for decontamination includes an amine oxide, polydimethylsiloxane, and water.

Abstract: The present invention is generally related to a device and method for sanitizing a medical instrument with ozone, in particular the invention relates to a system, method and a device for sanitizing a continuous positive airway pressure (CPAP) device. The device has an ozone compartment, an ozone operating system and one or more ozone distribution lines that distribute ozone to a continuous positive airway pressure device. The device may further include a heater adapter unit to connect heating systems in CPAP devices while distributing ozone to sanitize the CPAP device in accordance with the present invention.

Abstract: An inversion maintenance device has a case, an inverting mechanism, and a control system. The case forms an inversion space. The inverting mechanism has an inverting base and multiple adapting modules. The inverting base is pivotally mounted in the inversion space. The adapting modules are mounted on the inverting base. Each of the adapting modules has an adapting port. The inverting base is capable of inverting to make the adapting port face downward and cover the inversion space. Dental handpieces can be mounted on the adapting modules. The control system has a control module and an operation input terminal. The operation input terminal is electrically connected to the control module and is capable of controlling the control module to inject a working fluid with pressure into the dental handpiece via the adapting module.

Abstract: A water-dispensing device includes a cold water tank and a fill valve. The tank is in selective fluid communication with a water intake via the fill valve. The device further includes a cold dispensing valve, a spigot in selective fluid communication with the tank via the cold dispensing valve, an ozone generator in fluid communication with the tank, and a drip tray positioned beneath the spigot. The drip tray is in fluid communication with a drain via a drain hose. A controller is configured to perform a cleaning operation by: (i) activating the ozone generator to ozonate water stored in the tank, (ii) opening the cold dispensing valve to empty the tank by dispensing the ozonated water from the tank through the spigot and into the drip tray, and (iii) upon determining the tank is empty, opening the fill valve to refill the tank.

Abstract: The present disclosure relates to a fiber optic cable that includes a plurality of internal optical fibers and a fiber optic cable portion. The fiber optic cable portion includes an outer jacket and an inner conduit, the inner conduit containing the plurality of optical fibers disposed therein. The fiber optic cable further includes a flexible conduit portion, wherein the flexible conduit portion has a proximal end and a distal end. The proximal end is secured to the fiber optic cable portion and the distal end has a terminating device. The terminating device at least partially encases the flexible conduit portion, and the plurality of optical fibers passes through the flexible conduit portion and the terminating device.

Abstract: The present invention relates to a substrate treatment apparatus including: a chuck base rotatably disposed around a rotating shaft; chuck pins disposed on top of the chuck base to fix a substrate thereto; and an ultrasonic cleaning unit disposed on top of the chuck base to perform ultrasonic cleaning for the underside of the substrate.

Abstract: A dosing system for installation in a domestic dishwasher is disclosed. The dosing system in some embodiments permits the automated delivery of a defined dose of a detergent in powder form into a dishwashing chamber of the dishwasher. It comprises for this purpose a supply chamber for receiving a supply of the detergent and an extracting mechanism for extracting a dose of the detergent from the supply and for delivering the extracted dose into a fall channel. In order to assist with expelling an extracted dose of the detergent powder from the fall channel or/and to accelerate drying of the fall channel, the dosing system in some embodiments includes a fan for generating a blowing air stream which flows through at least parts of the fall channel.

Abstract: A portable air filter cleaning device includes a housing configured to receive an air filter to be cleaned, at least one spray mechanism within the housing for spraying fluid onto the air filter to be cleaned within the housing, a cleaning fluid reservoir coupled to at least one spray mechanism for selectively spraying cleaning fluid onto the air filter to be cleaned within the housing, a rinsing fluid reservoir coupled to at least one spray mechanism for selectively spraying rinsing fluid onto the air filter to be cleaned within the housing; and a motor for facilitating cleaning, rinsing and drying of the air filter to be cleaned. The device may be rotational for cylindrical type air filters or designed for cleaning flat plate type air filters. An associated method of cleaning an air filter is disclosed.

Abstract: The present invention provides a means capable of improving a residue removing effect and improving storage stability in a composition for surface treatment which is used for reducing residues on a surface of an object to be polished after being polished chemical mechanical polishing. The present invention relates to a composition for surface treatment, wherein the composition contains a solvent and a dissolved gas, a concentration of the dissolved gas is 0.01 mg/L or more and 10 mg/L or less with respect to a total volume of the composition and the composition is used for reducing residues on a surface of an object to be polished after being polished by chemical mechanical polishing.

Abstract: A method of ultra-high pressure surface cleaning. Water is first preferably filtered and de-ionized. The de-ionized water is pressurized to about 25,000 to 60,000 psi. The ultra-high pressurized water is applied to a surface, typically using a robot. The robot includes a vacuum for collecting water and debris removed from the surface. The stream leaving the robot will be an aqueous mixture of everything removed from the surface. The mixture next passes through a vacuum filtration unit, where most solids will be removed. Next, the mixture passes through a membrane filtration unit for removal of most remaining suspended solids. If toxic heavy metals are present, the mixture will pass through a heavy metal scavenger. After the foregoing treatment steps, the mixture will have less than 29 ppm suspended solids and be substantially free of lead and other heavy metals, rendering the mixture safe for surface water discharge in most cases.

Abstract: A boat trailer axle rinsing system including a pipe assembly and a tank assembly is disclosed herein. The pipe assembly includes a flush pipe and a nozzle pipe, the nozzle pipe is connected to the flush pipe by a valve, the nozzle pipe includes a plurality of nozzles to rinse an underside of a boat. The tank assembly includes a tank and a dial. The tank stores a desalination chemical. The dial controls the ratio of dilution of the desalination chemical with water provided to the tank by a water hose or by a pump. The tank has an output having a manifold connected therein. The manifold is connected to the flush pipe to provide the desalination chemical to the nozzle pipe to rinse a boat. The pipe assembly is mounted to a trailer axle. The tank assembly is mounted to a front portion of the trailer axle.

Abstract: The present application relates to a wafer processing device and a wafer processing method. The wafer processing device includes: a spraying unit configured to spray a photoresist-removing solution to remove a photoresist; and a heating unit mounted to the spraying unit and configured to heat the photoresist-removing solution to a preset temperature. According to the wafer processing device and wafer processing method of the present application, the photoresist-removing solution is heated to a preset temperature, so that the photoresist-removing solution dissolves the photoresist more rapidly and thoroughly. Therefore, the photoresist may be removed from a surface of the wafer more thoroughly, and further a yield of the wafer is increased.

Abstract: A contact lens cleaner device which can be used to clean contact lenses from debris and bacteria. The contact lens cleaner device pumps contact lens solution into reservoirs where contact lenses can be placed. The contact lenses rotate within the reservoirs and debris falls into a filter, as the contact lens solution continues to be pumped through the device. UV-lighting kills bacteria and cleanses the contact lenses in the reservoirs.

Abstract: A back-blowing unblocking device for the dustproof screen of the dryer, a dustproof equipment, and a dryer are provided. The back-blowing unblocking device for the dustproof screen of the dryer utilizes a closed compartment space of the dryer. The back-blowing unblocking device for the dustproof screen of the dryer includes a high-pressure air main pipe, a high-pressure air horizontal pipe, high-pressure air branch pipes, a shunt connecting pipe, and back-blowing fan-shaped nozzles. A length of each high-pressure air branch pipe is equal to a length of an A-shaped dustproof screen. Both ends of the each high-pressure air branch pipe are closed and an upper center opening is welded to the shunt connecting pipe. Both sides of the each high-pressure air branch pipe are densely arranged with the back-blowing fan-shaped nozzles.

Abstract: Disclosed is a portable and self-contained washing and sanitizing apparatus. The apparatus finds particular application in washing small baby items such as bottles, nipples, teething rings or toys. However, the apparatus can likewise be used to clean dishware, glassware, or utensils. The apparatus includes a container with a lid, the container housing the items to be washed; an accessory holder connected to the lid for holding accessories during washing operations; a water reservoir for storing and collecting wash water; and a housing for interconnecting the container and reservoir.

Abstract: A cleaning apparatus capable of thoroughly cleaning all parts of a workpiece is provided. The cleaning apparatus includes: a cleaning chamber; a table rotation shaft that rotates about a first axis; a first swivel fitting disposed inside the table rotation shaft; a table on which the cleaning workpiece is placed; a first motor that rotates the table rotation shaft; a propeller shaft that rotates about a second axis that is parallel to the first axis; a second swivel fitting connected to a propeller shaft; and a nozzle that rotates integrally with the second swivel shaft and that ejects a cleaning fluid in a direction different from the second axis toward the cleaning workpiece.

Abstract: Disclosed is a substrate treatment apparatus. The apparatus includes a support unit that supports and rotates a substrate and a spray unit equipped with one or more nozzles to spray a dual fluid that is a mixture of a cleaning agent and carbon dioxide onto the substrate.

Abstract: A method for cleaning a combustion engine is disclosed wherein an apparatus with a cable is coupled to an on-board diagnostic port on the vehicle, and a service hose with a misting nozzle adapter is coupled to a first port on a vehicle. A controller monitors data from the on-board diagnostic port on a vehicle, where the data preferably includes the engine rpm, the catalytic convertor temperature, the engine coolant temperature, the MAF, and the MAP. The controller monitors information from the cleaning apparatus, and the information is processed to adjust the dispensing of the cleaning solution. The adjustment of the cleaning solution can vary the rate, volume, pressure, pulse interval, flow pattern, and duration of the solution in the engine.

Abstract: A method of cleaning a jet pump assembly of a nuclear reactor may comprise evacuating an interior of the jet pump assembly that is filled with a first liquid by injecting a gas to purge the first liquid from the interior to provide an evacuated surface. In addition, the method may comprise directing a jet of a second liquid onto the evacuated surface.

Abstract: A cleaning system includes at least one cleaning module configured to receive a substrate after a chemical mechanical polishing (CMP) process and to remove contaminants on the substrate using a cleaning solution. The cleaning system further includes a cleaning solution supply system configured to supply the cleaning solution to the at least one cleaning module. The cleaning solution supply system includes at least one temperature control system. The at least one temperature control system includes a heating device configured to heat the cleaning solution, a cooling device configured to cool the cleaning solution, a temperature sensor configured to monitor a temperature of the cleaning solution, and a temperature controller configured to control the heating device and the cooling device.

Abstract: A device (2) for preparing foods held in a vessel includes a preparation chamber (4) for holding the vessel, a steam-generating assembly (10), including at least one first steam-conducting path (18) and at least one cold-fluid-conducting path (54), a steam supply unit (62) having at least one steam dispensing opening into the preparation chamber (4), which steam supply unit is connected to the at least one steam-conducting path (18) for steam conduction, and a condensate supply unit (60) having at least one condensate dispensing opening into the preparation chamber (4), which condensate supply unit is connected to the steam-conducting path (18) and to the cold-fluid-conducting path (54). The device (2) can carry out preparation in which food held in the vessel can be prepared by the steam supply unit (62), and to carry out a rinsing operation, in which the preparation chamber (4) can be cleaned by the condensate supply unit (60).

Abstract: The present invention is a filter cleaning stand which provides a solution to the problem of convenient cleaning of a cartridge filter while also containing the wastewater generated while cleaning the cartridge filter. The core components of the invention are a base, a raised platform and a wall that partially encloses the filter. Generally speaking, the components are configured as follows: the raised platform is above the base and arranged to support a filter and allow water to pass under the raised platform, and the wall is above the base and is arranged to partially enclose the filter on the raised platform.

Abstract: The present disclosure relates to a fiber optic cable that includes a plurality of internal optical fibers and a fiber optic cable portion. The fiber optic cable portion includes an outer jacket and an inner conduit, the inner conduit containing the plurality of optical fibers disposed therein. The fiber optic cable further includes a flexible conduit portion, wherein the flexible conduit portion has a proximal end and a distal end. The proximal end is secured to the fiber optic cable portion and the distal end has a terminating device. The terminating device at least partially encases the flexible conduit portion, and the plurality of optical fibers passes through the flexible conduit portion and the terminating device.

Abstract: A condensate drain line cleaning system including a coil attachment assembly and a drain attachment assembly is disclosed herein. The coil attachment assembly includes a tubing body configured to be connected to the drain line that is attached to the evaporator coil of an existing air conditioning unit. The drain attachment assembly is configured to be connecting to the existing drain line located outside a user's home. A user then pours a cleaning solution into an opening in the coil attachment assembly. Afterwards, a user then actuates a shut off valve disposed on the drain attachment assembly. A user then pours hot water into the opening of the coil attachment assembly to activate the cleaner therein. After waiting a certain amount of time, the user may then re-open the shut of valve to drain all the waste present in the drain line.

Abstract: The washing arrangement comprises at least one first wiper driving actuator and at least one second wiper driving actuator to move at least one wiper, and at least one nozzle for injecting washing fluid towards the target device, wherein the wiper driving actuators are linked to each other such that, in use, the wiper is driven by the first wiper driving actuator along a first line to contact the surface of the target device to be washed, and by the second wiper driving actuator along a second line to wipe at least one portion of the surface of the target device.

Abstract: A sensor assembly includes a housing including a chamber; a first sensor disposed in the chamber and including a first sensor window facing outward from the chamber; a second sensor outside and fixed relative to the chamber, the second sensor including a second sensor window; a blower having a blower outlet in the chamber and having a blower inlet; and a flexible hose extending from a first end positioned to receive ambient air to a second end positioned to direct air into the blower inlet. The housing includes a first outlet from the chamber to the exterior environment, and a second outlet from the chamber to the exterior environment. The first outlet is positioned to direct air across the first sensor window, and the second outlet is positioned to direct air across the second sensor window.

Abstract: Method of making a three-dimensional object, comprising the steps of: (a) providing a carrier platform on which the three-dimensional object can be formed; (b) producing the three-dimensional object, (c) immersing the object in a wash liquid with the object remaining adhered to the carrier platform; (d) agitating (i) the object in said wash liquid, (ii) the wash liquid with the object immersed therein, or (iii) both the object and the wash liquid, to at least partially remove residual resin from the surface of the object; (e) separating the object from the wash liquid, with the object remaining adhered to the carrier platform, (f) agitating the object to at least partially remove residual wash liquid from the surface thereof; and (g) repeating steps (c) through (f) to remove additional polymerizable resin from the surface thereof, wherein steps (c) through (f) are carried out in the same vessel.

Abstract: A chemical liquid preparation method of preparing a chemical liquid for treating a film formed on a substrate, including a gas dissolving process in which an oxygen-containing gas and an inert-gas-containing gas are dissolved in the chemical liquid by supplying the oxygen-containing gas which contains oxygen gas and the inert-gas-containing gas which contains an inert gas to a chemical liquid, wherein in the gas dissolving process, a dissolved oxygen concentration in the chemical liquid is adjusted by setting a mixing ratio between the oxygen-containing gas and the inert-gas-containing gas supplied to the chemical liquid as a mixing ratio corresponding to a predetermined target dissolved oxygen concentration.

Abstract: The present invention is generally related to a device and method for sanitizing a medical instrument with ozone, in particular the invention relates to a system, method and a device for sanitizing a continuous positive airway pressure (CPAP) device. The device has an ozone compartment, an ozone operating system and one or more ozone distribution lines that distribute ozone to a continuous positive airway pressure device. The device may further include a heater adapter unit to connect heating systems in CPAP devices while distributing ozone to sanitize the CPAP device in accordance with the present invention.

Abstract: An endoscope reprocessor having a tube and nozzles may be used to increase the effectiveness of an endoscope reprocessor. Fluid may be delivered into the tube through the nozzle, which may be oriented in various orientations. Energy of the flow within the tube may be increased by introduction of fluid through the nozzles, which may additionally move the endoscope within the tube.

Abstract: A droplet dispersion mechanism performs a first droplet generation process of supplying gas to a chemical liquid, and dispersing the chemical liquid into droplets to acquire chemical liquid droplets. A droplet dispersion mechanism performs a second droplet generation process of supplying gas to a chemical liquid, and dispersing the chemical liquid into droplets to acquire chemical liquid droplets. A droplet mixing mechanism performs a droplet mixing process of mixing the chemical liquid droplets and the chemical liquid droplets to acquire a processing liquid in a form of droplets. A discharge nozzle performs a discharge process of externally discharging the processing liquid received from the droplet mixing mechanism.

Abstract: A transportable system for generating aqueous ozone solution includes a hand truck carrying one or more auxiliary compartments containing respective mixing assemblies that are fluidically coupled to an ozone supply unit. At least one mixing assembly includes a first flow path for water to flow through and a second flow path in parallel with the first flow path. The first flow path includes one or more ozone intake ports that are fluidically coupled to one or more ozone output ports of the ozone supply unit. The second flow path includes a control valve that selectively permits a portion of the water to flow through the second flow path to produce a negative pressure in the first flow path so that ozone is drawn into the first flow path and mixed into the water flowing through the first flow path to produce an aqueous ozone solution.

Abstract: The invention relates to a method for cleaning dissolution vessels and for the subsequent dosing of a dissolution media, and to mobile modular cleaning and dosing equipment for the implementation of said method. According to said method, injected water steam is used for the cleaning and is subsequently aspirated, together with the residues of the dissolution, and the vessel is then refilled with the desired quantity of a new dissolution media. The mobile modular cleaning and dosing equipment allows the cleaning and dosing to be carried out in situ without having to remove the dissolution vessels from the equipment or site where the dissolution tests are carried out, using self-sufficient modular equipment, and a novel steam supply line is used for the cleaning, which sprays the steam against the bottom of the vessel and the inner side walls.

Abstract: A method for conditioning a flexible medical endoscope (10) having internal channels (12), so as to maintain disinfection of said endoscope (10) following processing to a state of high level disinfection, comprises the steps of: (a) connecting the internal channels (12) of the endoscope (10) to connectors (31-34) enabling fluid communication with a reservoir (24) of disinfectant fluid (25); (b) charging the internal channels (12) with disinfectant fluid (25) from the reservoir (24); (c) disconnecting the internal channels (12) from the connectors (31-34); (d) sealing the endoscope (10) in a pouch (56) having a substantially air-tight seal (57) and a valve (55) enabling connection to suction means (53); and (e) connecting and activating the suction means (53) so as substantially to reduce pressure within the pouch (56), thereby partially evacuating the pouch (56).

Abstract: An apparatus removes clogs from a condensate drain line. The apparatus includes: a vacuum attached to the condensate drain line, the vacuum pulling the clog material from the drain line, a control unit, an apparatus inlet forming a sealed connection point attaching the vacuum to the condensate drain line, an apparatus outlet allowing for drainage of the condensate, the outlet disposed lower than the inlet, a housing formed from durable, weatherproof material with a watertight seal, and a power supply powering the vacuum.

Abstract: An apparatus configured to induce airflow over a sensor lens is provide. The apparatus includes a sensor lens; and a plasma actuator. The plasma actuator may include a dielectric element, a first electrode disposed under the dielectric element, a second electrode disposed on the dielectric element such that the second electrode is exposed, and a plasma layer disposed in between the first electrode and the second electrode. The plasma actuator may be disposed at a periphery of the sensor lens.

Abstract: A powder removal system includes a plurality of tubes including upstream and downstream ends, a manifold fluidly coupled to the tubes, and a pressurized air supply fluidly coupled to the manifold supplying pressurized air to the tubes via the manifold. The downstream ends of the tubes are inserted into a plurality of channels partially filled with powder.

Abstract: A cleaning system includes an actuator and an arm rotatable by the actuator. The actuator includes a housing and a rotatable barrier in the housing defining a first chamber and a second chamber. The rotatable barrier is rotatable by relative pressures of the chambers. The arm includes a first nozzle fluidly connected to the first chamber and a second nozzle fluidly connected to the second chamber.

Abstract: A nozzle module for an energy converter, in particular for a power plant, including a first nozzle for the introduction of a motive fluid into a mixing chamber and an introduction opening for the introduction of a suction fluid into the mixing chamber, the mixing chamber having a geometry for merging the motive fluid and the suction fluid in the mixing chamber in a flow-intensifying manner. To specify a nozzle module which effects an increase in efficiency of the power plant, a vapor pressure of the motive fluid upstream of the first nozzle is lower than a vapor pressure of the suction fluid upstream of the introduction opening, and a gas pressure in the mixing chamber in a region downstream of the first nozzle is lower than a gas pressure in the mixing chamber in a region downstream of the introduction opening.

Abstract: An apparatus includes a developing tank and a fluid manifold in the bottom of the developing tank. The fluid manifold includes a plurality of holes through which developer flows and a plurality of valves corresponding to the plurality of holes. The valves allow developer to flow through the holes when open and prevent developer from flowing through the holes when closed. A trench surrounds the fluid manifold through which developer is drained from the developing tank. A controller is configured to control opening and closing of the valves. In an embodiment, the apparatus includes a clamping mechanism configured to insert the substrate into and remove the substrate from the developing tank.

Abstract: A valve is closed while a cleaning liquid is fed into a tubular body of a cleaning nozzle, and a piezoelectric element applies vibrations to the cleaning liquid. This causes droplets of the cleaning liquid to be produced and discharged from a plurality of discharge holes. The droplet diameter of the discharged droplets is in the range from 15 to 200 ?m, and the distribution of the droplet diameter is such that the value of where a value of 3? does not exceed 10% of the average droplet diameter. The droplet speed is in the range from 20 to 100 meters per second, and the distribution of the droplet speed is such that the value of where a value of 3? does not exceed 10% of the average droplet speed. The droplet flow rate is not less than 10 milliliters per minute. Discharging the droplets of the cleaning liquid from the cleaning nozzle toward a substrate while satisfying these discharge conditions improves cleaning efficiency without damages to the substrate.

Abstract: Methods for cleaning water filtration membranes by treatment with a DNase containing cleaning composition. Optionally the composition also comprises a biocidal and/or other enzymes such as proteases. The DNAse may be derived from Aspergillus oryzae or from Bacillus licheniformis.

Abstract: A Venturi draft tube spouted bed and method are disclosed that enables scale-up with small particles and improves heat and mass transfer by increasing material turnover rate. A Venturi-style eductor has been incorporated into the spouted bed draft tube to provide suction at the bottom of the bed to better entrain material and reduce the propensity for dead zones at the bottom of the narrow conical section.

Abstract: A dishwasher may include a tub at least partially defining a treating chamber, an airflow conduit, and a blower assembly fluidly coupled to the airflow conduit. The blower assembly may include a first impeller effecting a flow of ambient air to the treating chamber and a second impeller effecting a flow of mixed air from the treating chamber exhausting the mixed air from the treating chamber. Additionally, at least one of the first and second impellers may effect a flow of ambient air that bypasses the tub and combines with the mixed air before being exhausted from the dishwasher.

Abstract: Leaks in valves provided in a plurality of pipes connected to a plurality of gas sources are inspected. In a method of an embodiment, a first valve provided in a first pipe connected to a gas source is closed, and a second valve provided in a first pipe on a downstream side of the first valve is opened. A pressure increase is detected by a pressure gauge on a downstream side of the first pipe. In addition, the first valve is opened, and the second valve is closed. A pressure increase is detected by a pressure gauge on a downstream side of the first pipe.