Abstract: A burner assembly for an oven appliance is provided. The burner assembly includes a gas burner and a flame spreader. The flame spreader defines a slot or a series of apertures that is substantially parallel to the gas burner. The slot or series of apertures can decrease a thickness of a boundary layer positioned adjacent the flame spreader or increase a velocity or a temperature or both of the boundary layer.

Abstract: A solar receiver for a solar thermal system that is formed with ytterbium hexaboride (YbB6) is provided. A solar thermal system having a solar receiver of this kind is also provided.

Abstract: The present invention relates to a covering that selectively absorbs visible and infrared radiation, which comprises: (a) a first anti-diffusion barrier layer (2); (b) an IR-reflecting metallic layer (3) made from at least one metallic element selected from a group comprising An, Ag, Al, Cu, Ti and Pt; (c) at least a second anti-diffusion barrier layer (4) formed by oxidation of the layer (3); (d) a structure that absorbs in the UV-VIS range, which comprises at least a first film (5) and a second film (6) made from cermet, which in turn comprises a metallic fraction made from a metal selected from Pt, Cr, Mo, W, Zr, Nb, Ta and Pd, or any alloy thereof, and a ceramic comprising an oxygen-free nitride which is constituted by a metallic oxide in which the metal is selected from aluminium, silicon and chromium; and (e) a dielectric layer that is non-reflecting in the UV-VIS range, which comprises a nitride of at least one metal selected from silicon, aluminium and chromium.

Abstract: The invention relates to surface enhancements for composite mouldings made from polymeric materials and to the use thereof in solar systems. These solar systems may be solar reflectors for concentrating solar radiation, flexible photovoltaic composite films, or CPV (Concentrated Photovoltaics) lenses for concentrating solar radiation. The surface enhancement comprises a self-healing coating based on crosslinkable fluoropolymers, e.g. PFEVE (polyfluoroethylene alkylvinyl ethers). These coatings exhibit good optical properties, can be used in outdoor applications, more particularly in solar applications, over very long periods of time, exhibit self-cleaning properties, and in particular are self-healing in relation to mechanical damage—such as scratching.

Abstract: Solar collector modules and techniques for their construction are disclosed. In one aspect, a solar collector module includes a reflector and a three-dimensional structural frame that supports the reflector. The structural frame includes a set of primary structural shapes and a set of axial frame members connected between corners of the primary structural shapes forming helical paths for the transmission of torque from one end of the structural frame to the other. In another aspect, a method for assembling a solar collector module includes pre-assembling part of the module.

Abstract: Provided herein are methods, devices, systems, and computer readable medium for delivering one or more compounds to a subject. Also described herein are methods, devices, systems, and computer readable medium for transitioning a smoker to an electronic nicotine delivery device and for smoking or nicotine cessation.

Abstract: A protective breathing mask assembly comprises a face mask portion 10 having a brow support 5 at the top thereof which, in use, extends around the brow of the wearer, and a face seal 6 which extends around the back edge of the mask portion 10 so as, in use, to engage around the sides of the wearers face to prevent the ingress of material into the mask portion. The mask assembly further includes a rear of head strap 4 which extends between the ends of the brow support 5, in use, around the back of the wearers head. A crown strap 2 is connected to opposing sides of the mask assembly so as, in use, to extend across the top of the wearers head in opposing relation to the face seal 6, thereby pulling the face seal up against the wearers face.

Abstract: An apparatus for treatment of a patient with both sleep-disordered breathing and diabetes includes: a blower configured to provide a supply of air at positive pressure; a patient interface; headgear to hold the patient interface in position in communication with a patient's airways; at least one hypoglycemia sensor; an alarm; and a controller, wherein the controller is programmed to receive a signal from the at least one hypoglycemia detector, analyze the signal for indications of hypoglycemia and upon detection of an indication of hypoglycemia trigger the alarm.

Abstract: An oral suction device for insertion into an airway of a patient including a first tube and a second tube. The first tube includes a first gas port configured to be coupled to a ventilation source. The second tube extends coaxially over at least a first section of the first tube and includes a second gas port configured to be coupled to a negative pressure source. The second tube also has an outer surface with at least one hole defined therein.

Abstract: The disclosure describes a technique for monitoring patient utilization of inhaled Nitric Oxide as well as waste exhaust of Nitric Oxide in gases exhaled from patient lungs. By monitoring the real dose provided to a patient, actual compliance with therapeutic target doses may be monitored to improve patient safety and therapeutic benefit from inhaled Nitric Oxide. Simultaneously, unnecessary waste of inhaled Nitric Oxide may be avoided thereby increasing the cost effectiveness of Nitric Oxide therapy. The minimization of Nitric Oxide waste has the further benefit of reducing environmental Nitrogen Dioxide levels in e.g. a NICU environment thereby mitigating medical personnel's Nitrogen Dioxide exposure.

Abstract: The disclosure describes a technique for monitoring patient utilization of inhaled Nitric Oxide as well as waste exhaust of Nitric Oxide in gases exhaled from patient lungs. By monitoring the real dose provided to a patient, actual compliance with therapeutic target doses may be monitored to improve patient safety and therapeutic benefit from inhaled Nitric Oxide. Simultaneously, unnecessary waste of inhaled Nitric Oxide may be avoided thereby increasing the cost effectiveness of Nitric Oxide therapy. The minimization of Nitric Oxide waste has the further benefit of reducing environmental Nitrogen Dioxide levels in e.g. a NICU environment thereby mitigating medical personnel's Nitrogen Dioxide exposure.

Abstract: A signaling apparatus for an anesthesia machine, the signaling apparatus comprising an user input sub-module for receiving input information from an user, an available gas sub-module for signaling types of currently available gases according to information of the user input sub-module, and an available gas outlet sub-module for signaling currently available gas outlets according to information of the user input sub-module.

Abstract: An ambulatory or stationary device for delivery of a therapeutic amount of nitric oxide to an individual's lungs.

Abstract: A multiple medicament container and method for retaining a plurality of medicaments for students on excursions from school is disclosed. The container is configured to securely hold medicaments of a variety of configurations including epinephrine pens and asthma inhalers as well as other forms. The container also holds cards identifying medical conditions relating to each student for which medicaments are provided as well as cards denoting administration protocols for each medicament loaded into the container. A single medicament embodiment of the container is also disclosed wherein the container is already paired to the subject student.

Abstract: Devices and systems provide methods of controlling breathable gas generation such as for a respiratory treatment and/or for controlling ionization of the gas. In an example, a controller of a respiratory treatment apparatus controls generation of a supply of ionized air. The apparatus may include a flow generator to generate a flow of pressurized breathable gas. The flow generator may be adapted for connection with a respiratory interface. The apparatus may also include an ionizer to ionize the flow of gas. The controller may be coupled with the ionizer and the flow generator and be configured to control the ionizer to programmatically change levels of ionization of the gas. Such ionized gas treatments may be suitable for helping users to sleep or improving respiratory oxygen absorption, and may be for patients with, for example, sleep disordered breathing or chronic obstructive pulmonary disease.

Abstract: The disclosure describes a technique for monitoring patient utilization of inhaled Nitric Oxide as well as waste exhaust of Nitric Oxide in gases exhaled from patient lungs. By monitoring the real dose provided to a patient, actual compliance with therapeutic target doses may be monitored to improve patient safety and therapeutic benefit from inhaled Nitric Oxide. Simultaneously, unnecessary waste of inhaled Nitric Oxide may be avoided thereby increasing the cost effectiveness of Nitric Oxide therapy. The minimization of Nitric Oxide waste has the further benefit of reducing environmental Nitric Oxide and Nitrogen Dioxide levels in e.g. a NICU environment thereby mitigating medical personnel's Nitric Oxide and Nitrogen Dioxide exposure.

Abstract: The disclosure describes a technique for monitoring patient utilization of inhaled Nitric Oxide as well as waste exhaust of Nitric Oxide in gases exhaled from patient lungs. By monitoring the real dose provided to a patient, actual compliance with therapeutic target doses may be monitored to improve patient safety and therapeutic benefit from inhaled Nitric Oxide. Simultaneously, unnecessary waste of inhaled Nitric Oxide may be avoided thereby increasing the cost effectiveness of Nitric Oxide therapy. The minimization of Nitric Oxide waste has the further benefit of reducing environmental Nitrogen Dioxide levels in e.g. a NICU environment thereby mitigating medical personnel's Nitrogen Dioxide exposure.

Abstract: The disclosure describes a technique for monitoring patient utilization of inhaled Nitric Oxide as well as waste exhaust of Nitric Oxide in gases exhaled from patient lungs. By monitoring the real dose provided to a patient, actual compliance with therapeutic target doses may be monitored to improve patient safety and therapeutic benefit from inhaled Nitric Oxide. Simultaneously, unnecessary waste of inhaled Nitric Oxide may be avoided thereby increasing the cost effectiveness of Nitric Oxide therapy. The minimization of Nitric Oxide waste has the further benefit of reducing environmental Nitrogen Dioxide levels in e.g. a NICU environment thereby mitigating medical personnel's Nitrogen Dioxide exposure.

Abstract: A delivery device for and method of providing for delivery of substance to the central nervous system (CNS) of a subject, the delivery device comprising: a nosepiece unit for insertion into a nasal airway of a subject and comprising an outlet unit which includes a nozzle for delivering substance into the nasal airway of the subject; and a substance supply unit which is operable to deliver a dose of substance to the nozzle; wherein the delivery device is configured such that at least 30% of the dose as initially deposited in the nasal airway is deposited in an upper posterior region of the nasal airway, thereby providing a CNS concentration of the substance, and hence CNS effect, which is significantly greater than that which would be predicted from a counterpart blood plasma concentration of the substance.

Abstract: A delivery device for and method of providing for delivery of substance to the central nervous system (CNS) of a subject, the delivery device comprising: a nosepiece unit for insertion into a nasal airway of a subject and comprising an outlet unit which includes a nozzle for delivering substance into the nasal airway of the subject; and a substance supply unit which is operable to deliver a dose of substance to the nozzle; wherein the delivery device is configured such that at least 30% of the dose as initially deposited in the nasal airway is deposited in an upper posterior region of the nasal airway, thereby providing a CNS concentration of the substance, and hence CNS effect, which is significantly greater than that which would be predicted from a counterpart blood plasma concentration of the substance.

Abstract: Various systems generating nitric oxide are disclosed herein. According to one embodiment, the system includes a first gas source providing nitrogen dioxide mixed in air or oxygen, and a second gas source supplying compressed air and/or compressed oxygen. The system also includes a ventilator coupled to the first and second gas sources, wherein the ventilator is resistant to nitrogen dioxide. The ventilator regulates gas flow and allows for the adjustment of nitrogen dioxide concentration in the gas flow. The system further includes one or more conversion devices operably coupled to the ventilator where the conversion devices convert nitrogen dioxide into nitric oxide. A patient interface delivers nitric oxide to the patient and is operably coupled to the conversion devices. The system allows oxygen and nitric oxide levels to be varied independently.

Abstract: Substantially constant positive airway pressure systems and methods mediate the variations in pressures that occur within a conventional CPAP mask during inhalation and exhalation cycles, and thereby reduce discomfort.

Abstract: A respiratory therapy device comprises a pneumatic control unit connectable to a source of medical grade oxygen for supplying oxygen to a first control unit outlet port at a first set of conditions and to a second control unit outlet port at a second set of conditions. First and second transfer conduits are in fluid communication with the first and second outlet ports. Each transfer conduit defines at least part of a flowpath to destination. Each flowpath includes a filter. A related filtration module comprises a filter housing defining two or more filter compartments. The housing has an input side with a gas inlet in fluid communication with each of the filter compartments and a gas outlet in fluid communication with each of the filter compartments. A filter element resides in each of the compartments intermediate the gas inlet to the compartment and the gas outlet from the compartment.

Abstract: A conduit operative or to be operative between a patient interface and both (a) a tidal volume gas delivery device that can deliver controlled tidal volume gasses to a patient for the purposes of resuscitation and (b) a CPAP device for delivery of CPAP to the patient. The conduit comprises a primary lumen having an inlet operatively connectable with said tidal volume gas delivery device. Also provides is a secondary lumen having an inlet operatively connectable with the CPAP device. A manifold, via respective outlets of the primary and secondary lumens and a manifold outlet, allows fluid communication to be established between a patient interface and both the CPAP device and the tidal volume gas delivery device.

Abstract: Disclosed is a mask bead for a patient interface that comprises a contact area, a nose bridge area having a width (B1), side areas, a base area, and a bearing area on a patient. The bearing area extends from the side areas, the base area and the nose bridge area to a central opening is being designed as a sealing lip which frames the central opening. The mask bead further has a maximum width (B2), the ratio B1 to B2 being one to three or greater.

Abstract: A cushion for a patient interface that delivers breathable gas to a patient includes a base wall structured to be connected to a frame, an underlying support cushion extending away from the base wall towards the patient's face in use, and a membrane provided to substantially cover at least a portion of the underlying cushion. The membrane is adapted to form a continuous seal on the patient's face. The underlying cushion has a spring-like connection with the base wall. The underlying cushion and/or base wall define a spring constant that varies along a length of the seal.

Abstract: A device and a method for creating and/or maintaining an obstruction free upper respiratory passages. The device is configured to fit under the chin of a subject adjacent to the subject's neck at an external location corresponding approximately with the subject's soft tissue associated with the neck's anterior triangle. The device is capable of exerting negative pressure on the surface of a subject's neck, displacing the soft tissue forward and enlarging the airway.

Abstract: An orthopedic or therapeutic support pillow is provided for use by a patient to support an arm and shoulder while the patient is resting in a generally prone position on a resting surface. The pillow includes a back section for positioning and supporting the pillow on resting surface, the back section having a central memory foam section to adapt to the contour of the body of the patient. The pillow further includes a pair of side arms extending from the back section, each side arm including contoured areas and a plush thickness to support the body, arms, and shoulders. The back section includes shoulder support zones to engage and support the shoulders of the patient when reclining on the pillow.

Abstract: This utility model discloses an electronic hookah, composed of producing portion, pedestal and suction nozzle. Said pedestal and said producing portion are assembled in a detachable mode; said pedestal is installed at the bottom of the electronic hookah device; one side of said suction nozzle is connected to said pedestal. Application method of the electronic hookah is also disclosed, which includes: install said pedestal at the bottom of said producing portion, insert said suction nozzle into said pedestal, and suction the electronic hookah from the other side of said suction nozzle. The smoke producing part is separated from the pedestal. It is very convenient for smoking because the device gets ready as soon as the smoke producing part is put into the pedestal. The smoke is at last suctioned into human bodies after going through the water in said pedestal.

Abstract: An electronic cigarette (“e-Cig”) may include an adapter component for connecting a battery portion of the e-Cig with the cartridge. The adapter may be configured to utilize a bonding device, such as a ring, cylinder, or sleeve component, for connecting wires without requiring soldering. The bonding device may press a wire at a contact point against a conductive material for transmission of electrical power.

Abstract: The present invention relates to a composition for coating paper wrapper for smoking articles, which comprises a combination of gum arabic, preferably between 40% and 95% by weight with respect to the total dry material weight of the composition, and a filler that comprises calcium carbonate, preferably in an amount of at least 5% by weight with respect to the dry material weight of the composition, alone or in combination with other substances such as, for example, kaolin, calcium sulphate, titanium dioxide and mixtures thereof, and to the use thereof for producing a paper wrapper for smoking articles.

Abstract: There is disclosed a comb. The comb has an upper or a basic part and a number of teeth attached to and pointing out from the upper or basic part, wherein the outer or free end of at least a portion of the teeth forms two curved shapes or curvatures for the touch of a scalp. The first curvature has a radius of curvature substantially perpendicular to the longitudinal direction of the teeth, and the second curvature is curved outwards in relation to the upper or basic part. The radius of curvature of the first curvature may be in the range of 3-14 cm.

Abstract: A cleansing composition comprising (A) an anion surfactant, (B) a glyceryl ether having an alkyl group or alkenyl group with from 4 to 12 carbon atoms, (C) a cationized hydroxypropyl cellulose represented by the following formula (1) wherein R1, R2 and R3 each independently represent a substituent having a cationized ethyleneoxy group and a propyleneoxy group and n represents a number of from 20 to 5000, which represents an average polymerization degree of anhydroglucose, and wherein the substitution degree of the cationized ethyleneoxy group is from 0.01 to 3, and the substitution degree of the propyleneoxy group is from 0.01 to 5, and (D) water.

Abstract: A novel gauging device and associated stencils for shaping of eyebrows according to a Golden Ratio standard. The gauging device is adapted to be placed over a woman's face and maintained in a fixed position relative to her eyes and nose. A nosepiece and knobs are adjusted such that a lower end of a guide rod may be rotated about various points relative to the nose and held in predetermined angles relative to the nose and eyes, possibly supported magnetically on a lower track adjacent the nostrils and an upper track above the eyebrows. Each stencil may be adapted to accommodate not only different eyebrows of different sizes, but also to adjust the eyebrow's ideal Golden Ratio “High Point” to complement facial proportions (preferably represented by a single Facial Ratio Value or “FRV” that deviate from an ideal Golden Ratio.

Abstract: A hair curling apparatus includes a handle, a barrel extending from the handle and a releasable hair clamp releasably mountable about the barrel. The hair clamp is selectively positionable between an operative condition mounted about the barrel and a non-operative condition released relative to the barrel.

Abstract: An apparatus for styling hair includes a handle frame, a treatment segment extending from the handle frame for applying treatment to hair of a subject, at least one control member disposed on the handle frame and a cover mounted to the handle frame. The cover is adapted to transition between an open position permitting access to the at least one control member and a closed position substantially enclosing the at least one control member, thereby protecting the at least one control member from moisture, hair treatment agents and/or contaminants. The cover may be dimensioned and adapted to be releasably secured in the closed position through magnetic means or other mechanism mechanisms/methodologies.

Abstract: A hair clip includes a lower body with a lower jaw, a lower joint, and a lower finger grip structure. An upper body includes an upper jaw, a first upper joint, a second upper joint, and an upper finger grip structure, where the first upper joint is rotatably coupled to the lower joint by a primary hinge pin which secures the primary spring in place. A secondary body includes a secondary jaw and a secondary joint, and an upward curved edge, where the secondary joint is rotatably coupled to the second upper joint by a secondary hinge pin which secures the secondary spring in place. A primary spring couples to the lower body and the upper body, where the primary spring is configured to push the upper jaw towards the lower jaw. A secondary spring couples to the upper body and the secondary body, where the secondary spring is configured to push the secondary jaw towards the upper jaw.

Abstract: A floss holder includes a holder body having two suspension arms, a shaft joining the suspension arms and a through hole at a front end of each suspension arm, and two rivets respectively mounted in the through holes each having factory head disposed outside one end of one through hole, and a floss-retaining unit defined between the factory head and one respective suspension arm for securing a dental floss.

Abstract: Embodiments of the invention generally relate to a method of cleaning a substrate and a substrate processing apparatus that is configured to perform the method of cleaning the substrate. More specifically, embodiments of the present invention relate to a method of cleaning a substrate in a manner that reduces or eliminates the negative effects of line stiction between semiconductor device features. Other embodiments of the present invention relate to a substrate processing apparatus that allows for cleaning of the substrate in a manner that reduces or eliminates line stiction between semiconductor device features formed on the substrate.

Abstract: Provided is a method for cleaning an on implanted resist layer or a substrate after an ashing process. A duty cycle for turning on and turning off flows of a treatment liquid using two or more nozzles is generated. The substrate is exposed to the treatment liquid comprising a first treatment chemical, the first treatment chemical with a first film thickness, temperature, total flow rate, and first composition. A portion of a surface of the substrate is concurrently irradiated with UV light while controlling the selected plurality of cleaning operating variables in order to achieve the two or more cleaning objectives.

Abstract: A method for cleaning a substrate includes supplying a treatment solution which includes a volatile component onto the front surface of a substrate, solidifying or curing the treatment solution through vaporization of the volatile component of the treatment solution such that a treatment film is formed on the entire portion of the front surface of the substrate, treating a different surface of the substrate while the entire portion of the front surface of the substrate is covered with the treatment film, and supplying to the substrate a removal solution which removes the treatment film in the amount sufficient such that the treatment film covering the entire portion of the front surface of the substrate is removed substantially in entirety after the treating of the different surface of the substrate is finished.

Abstract: A substrate cleaning system has a first processing apparatus including a first holding device for holding a substrate, and a treatment solution supply device for supplying onto the entire portion of the front surface of the substrate a treatment solution which includes a volatile component and solidifies or is cured to form a treatment film, and a second processing apparatus including a second holding device for holding the substrate, and a removal-solution supply device for supplying onto the substrate a removal solution which removes the treatment film formed on the front surface of the substrate after the treatment solution supplied by the treatment solution supply device solidifies or is cured.

Abstract: A method of cleaning residue from a surface includes providing a disposable cellulosic wiper including a percentage by weight of pulp-derived papermaking fibers. The pulp-derived papermaking fibers have a characteristic scattering coefficient of less than 50 m2/kg. The wiper also includes a percentage by weight of fibrillated regenerated independent cellulosic microfibers having a number average diameter of less than about 2 microns, and a characteristic Canadian Standard Freeness (CSF) value of less than 175 ml. The microfibers are selected and present in amounts such that the wiper exhibits a scattering coefficient of greater than 50 m2/kg. The wiper is applied, with a predetermined amount of pressure, to a residue-bearing surface, and the surface is wiped, while applying the predetermined amount of pressure, to remove residue from the surface, such that the surface has less than 1 g/m2 of residue after being wiped under the predetermined amount of pressure.

Abstract: A drivable floor cleaning machine is provided, including a chassis, at least one cleaning head, and a holding device capable of holding the cleaning head on the chassis and lifting it relative to the chassis, the holding device including a first rod device rotatably held by a first bearing device on the chassis, a second rod device rotatably held on the chassis by means of a second bearing device, a third bearing device rotatably holding the cleaning head on the first rod device, and including a fourth bearing device rotatably holding the cleaning head on the second rod device, wherein the cleaning head is supported on a stop when a specific lifting position of the cleaning head relative to the chassis is reached, and on which stop the cleaning head can be rotated.

Abstract: Disclosed is an optical connector cleaning tool including: a tool body; and an extended part that extends from the tool body and that has a head for pressing a cleaning element against an optical connector, the extended part being provided so as to be movable with respect to the tool body. The optical connector is cleaned with the cleaning element by moving the tool body toward the extended part in a state where the cleaning element is pressed against the optical connector with the head. The tool body includes: a take-up reel that, in accordance with the movement of the tool body with respect to the extended part, takes up the cleaning element which has been sent out from the head; and a take-up amount adjustment mechanism that makes constant the take-up amount of the take-up reel per single cleaning operation.

Abstract: A dry cleaner apparatus for cleaning at least one flexographic printing plate carried on a plate cylinder includes a frame for traveling along a path parallel to the axis of rotation of the plate cylinder, an unwind spindle rotatably attached to the frame, the unwind spindle holding a rolled web of dry cleaning material for turning to dispense new dry cleaning material, a rewind spindle for turning to roll up used dry cleaning material, a motor attached to the frame and coupled to one or both spindles to turn the spindles and thereby dispense new dry cleaning material and rewind used dry cleaning material, a pad assembly including a pad retainer, a pad base, and a dry pad, and a linear actuator attached to the frame and operating on the pad assembly to urge the dry pad toward the flexographic printing to remove ink and debris from the surface thereof.

Abstract: A system for manipulating objects includes a scanner arranged to optically scan an object in a first position to obtain position data indicative of the first position, a manipulation module arranged to receive the position data and to generate orientation instructions therefrom for reorienting a manipulation arm from a first orientation corresponding to engagement of the object by the arm when the object is in the first position to a second orientation corresponding to engagement of the object by the arm when the object is in a second position, and an arm controller arranged to receive the orientation instructions and to control the manipulation arm to manipulate the object from the first position to the second position based on the orientation instructions.

Abstract: Methods and apparatuses for controlling contamination within processing modules and extending the life of system components within processing modules of combinatorial processing systems are disclosed. Methods include injecting a purging fluid into distribution lines within a processing module after one step of a process recipe. Further, injecting a flushing fluid into the distribution lines after the purging fluid is introduced therein. Furthermore, injecting the purging fluid and the flushing fluid into the fluid distribution line multiple times before initiating a next step of the process recipe. Finally, injecting a purging fluid into the distribution lines before initiating a next process step.

Abstract: This invention concerns dosage elements for a ware washing machine and a method of manufacturing such dosage elements. In embodiments of the invention a dosage element comprises first (10) and second (20) joined parts, wherein the first part (10) is a part which, prior to joining with the second part (20), comprised an open receptacle and wherein the second part (20) comprises a substrate carrying a plurality of mutually separated substances A, B, C arranged in side by side relation. The second part (20) is joined to said first part (10) so as to close said receptacle and enclose said substances within it. Dosage elements produced in the inventive method are pleasant to handle, whilst being surprisingly resistant to damage in handling or transit.

Abstract: A method for in-situ cleaning of compressor blades in a gas turbine engine on an aircraft comprises the following sequential steps: Step 1—washing said compressor blades by spraying a first liquid composition into the engine; and Step 2—finally rinsing said washed compressor blades by spraying a second liquid composition into the engine, wherein the second liquid composition, has a freezing point of ?10° C. or below and is non-aqueous and hydrophilic.