A refrigerator oil comprises an ester obtained from:pentaerythritol; anda carboxylic acid mixture comprising n-pentanoic acid in an amount of 20 to 50% by mass; n-heptanoic acid in an amount of 20 to 50 % by mass and 3,5,5-trimethylhexanoic acid in an amount of 5 to 60 % by mass, of the total amount of the carboxylic acid mixture.

A decanter centrifuge comprises a bowl (12) and a worm or screw type conveyor (14). The bowl is rotatable about a longitudinal axis and has a cake discharge opening (18) at one end and a liquid phase discharge opening (20). The conveyor includes a conveyor hub (22) having at least a portion disposed inside the bowl for rotation about the longitudinal axis at an angular speed different from an angu...

A device for monitoring the feed of a plurality of yarns (2) to a textile machine (1) comprises a number of sensor means (4) equal to the number of said yarns (2) and each cooperating with a corresponding yarn (2) of which they sense the state of feed, and being connected to a control unit (5) which, on the basis of the signals generated by the sensors and of a reference signal (VA) which is a fun...

The present invention provides a sheet supplying apparatus comprising a sheet stacking means for stacking a plurality of sheets, a sheet supply means for feeding out the sheets stacked on the sheet stacking means, a separation means for separating the sheets one by one by abutting the sheets against the separation means to cause elastic angular change in the sheet thereby to ride the sheet over th...

A method is claimed for manufacturing segments (2) for a tyre vulcanising mould, where the segments have a honeycomb pattern of lamellae (1a,1b,5a,5b). A group of zig-zag shaped primary lamellae (1a,1b) are mounted in a segment (2) with their main direction of alignment (3) parallel to each other and each pair of adjacent lamellae (1a,1b) run axi-symmetric to each other relative to the axis of mou...

The flats (10, 10') are singled off their stacks (8, 8') simultaneously or at timed intervals, taking all or set numbers of flats from each stack in turn for replacing a fresh stack for the first stack after a set number of flats has been singled off. The stacks are arranged in tandem towards the downstream process. The singler (22) has access to both tandem stacking (12, 13) and uses a lifter ...

The invention relates to a device for drawing a web of material into a machine. Said device comprises a draw-in means, which can be advanced along a draw-in path and to which the web of material can be coupled. The draw-in means can be driven by means of an electric motor that can be regulated or controlled according to measurement data, which is determined during the draw-in process, or in a mann...

Die vorliegende Erfindung betrifft ein Verfahren zur Herstellung von höheren, alpha,beta-ungesättigten Alkoholen durch Monoethinylierung eines Ketons nach dem NH¶3¶/KOH-Verfahren, gegebenenfalls Hydrierung des Acetylenalkohols in Gegenwart von Wasserstoff an einem Pd-haltigen Dünnschichtkatalysator, Reindestillation des Hydrieraustrages vorzugsweise in einer Trennwandkolonne unter Rückführung nich...

A sensor system for viewing the light energy of a scene has an imaging detector which converts incident light energy into an electrical signal. Two colors are separately imaged by the detector in two imaging regions. The imaging system for each color includes a color filter positioned between the scene and the respective region of the detector, an optical train that focuses filtered color scene en...

Traction control system includes (a) a unit to detect the skidding tendency, (b) a unit to measure the speed of rotation of the engine (1), (c) a traction control unit (100), combining an acceleration factor (220), a throttle valve (7), throttle valve motor (8), and other factors for acting on the brakes (10) of the drive wheels (RR,RL) and on the output force of the engine. An Independent claim ...

The present invention includes a reliable and efficient method for redistributing, purchasing or selling tickets on the secondary market. The system generally includes a method for accepting tickets from individual sellers, posting the tickets on a central database for redistribution, establishing a market price based on demand and/or a service fee (this feature may not be available in certain sta...

A dual-sensing intrusion detection device for detecting an intruder comprising a PIR sensor and a microwave sensor. The device comprises PIR processing means and microwave processing means, means for summing the processed PIR signal with the processed microwave signal to generate a summed signal, and means for comparing the summed signal to a sum threshold value to determine if an alarm condition ...

Der erfindungsgemässe Schlüsselanhänger besteht aus einem Halteteil (6) und einer mit einem Befestigungsteil (2) und einem Schlüsselring (5) versehenen Kette (1). Die Kette (1) ist mit der Kugel (3) des Befestigungsteils (2) lösbar im Halteteil (6) befestigt, welcher wiederum durch aus Hinterfläche (7), Krümmung (8) und Mittenfläche (11) gebildetem Clip lösbar am Hosengürtel befestigt ist. Die Ket...

Polyurethane films containing certain silver-based antimicrobial formulations therein are provided. Such formulations comprise antimicrobial compounds, such as, preferably silver-containing ion-exchange resins, such as zirconium phosphate, glass, or zeolite compounds. The inventive films exhibit excellent antimicrobial qualities as well as surprisingly good color characteristics. As a result, anti...

A catheter (20) includes a steering mechanism for manipulating the distal end of the catheter (20) to obtain a plurality of deflection profiles. The steering mechanism comprises two steering tendons (54, 56). The first steering tendon (54) is attached to the distal-end region (24) and the second steering tendon (56) is attached to the distal-end region at a location proximal the attachment point o...

The invention relates to mixtures of 1,1,1,3,3-pentafluoropropane and 1,1,1,3,3-pentafluorobutane. The blends are useful as blowing agents for polymer foam, solvents, aerosol propellants and heat transfer media.; L'invention concerne des mélanges de 1,1,1,3,3-pentafluoropropane et de 1,1,1,3,3-pentafluorobutane. Ces mélanges sont utiles en tant qu'agents d'expansion pour mousses polymères, solvant...

There is disclosed apparatus for atomising liquid media comprising an ultrasonic gas atomisation nozzle (11) having a gas flow path (12) from a plenum chamber (17) which flow path is straight and is provided with a plurality of resonance cavities (31).; L'invention porte sur un appareil d'atomisation d'un support liquide comprenant une buse (11) d'atomisation de gaz ultrasonore présentant un passa...

The invention concerns a running tread (3) of thickness E, designed to be used in a tyre with carcass reinforcement (1) whereon is mounted a crown reinforcement (2) and comprising on its outer surface a plurality of grooves (31, 32) of depth h, including at least circumferential grooves axially separated by ribs. The invention is characterised in that said tread is provided with at least an inner ...

An autonomous vehicle collision/crossing warning system provides for simple, inexpensive and decentralized installation, operation and maintenance of a reliable vehicle collision/crossing warning system. The autonomous warning system preferably utilizes a single frequency TDM radio communication network with GPS clock synchronization, time slot arbitration and connectionless UDP protocol to broadc...

A hammock assembly has a bed net, a pair of support frames to support the bed net, and a connection tube set. The connection tube set has a first tube and a second tube engaging with the first tube. The first tube has a distal protrusion. The second tube has a through hole to receive the distal protrusion of the first tube. Each support frame has a joint and three support rods. The joint has a tra...