There is provided a method of transferring at least one substance across a membrane (6) from a first fluid to a second fluid, wherein transfer of the substance from the first fluid to the second fluid occurs across the membrane (6); wherein the membrane (6) comprises a non-porous membrane; and wherein either the first fluid or the second fluid is a two-phase fluid (1) which comprises at least two ...

The invention relates to a valve (1) for an internal combustion engine, comprising a valve shaft (2) which is mounted with a ball bearing (3) with at least two spherical rings. Said bearing has little slack and is arranged in a thin-walled guide sleeve (6) exhibiting good thermoconductivity. Said sleeve (6) contains a lubricant tank (7).

An electromagnetic drive is described that exhibits two electromagnets (2, 3) situated opposite one another and an armature (10) between them that can be moved back and forth. The armature (10) is held in an intermediate position by elastic forces and brought into a terminal position by the power of the electromagnets (2, 3). The armature (10) is mounted using a torsion spring (6) and at least one...

The invention relates to an electromagnetic control device comprising two multipolar, preferably bipolar electromagnets, which are provided in each case with a magnetic yoke (4) with magnetic yoke limbs (5) and at least one coil (8), together with an armature (1) moving back and forth between the pole surfaces (3a) of both electromagnets. Said armature is brought into end positions by alternate el...

The invention relates to an electromagnetic drive mechanism with a displaceably arranged part (7) that can be moved back and forth electromagnetically. Said part is brought into end positions by alternate exciting current switching. An element (16), specially a valve of an internal combustion engine, is driven by movement of the electromagnetically displaceable part (7). A hinged lever (11) locate...

Ein Arbeitsstuhl weist ein Gesässteil (21) mit einer lediglich für das Gesäss einer darauf sitzenden Person ausreichenden Grösse und eine davon getrennte Oberschenkelstütze (23) auf. Die Oberschenkelstütze (23) ist wenigstens teilweise unter das Gesässteil (21) schiebbar, bzw. unter dem Gesässteil (21) hervorziehbar ist. Dadurch ist die Länge der Sitzfläche auf die Körpergrösse eines Stuhlbenutzer...

A Device (1) for crushing plastic materials, cardboard, wood, foamed plastic, plastic bottles end the like, using a rotor (11) with cutting bodies (3) co-operating with a fixed counter-cutting element (5), comprises: a supporting frame (10) supporting a rotating shaft (2) driven by an electric motor (61); a plurality of hammers (3) having an elongated shape, fastened to the rotating shaft (2) an...

A paper feed device for a printing press which can laterally register a stack of paper sheets. A positioning guide is provided opposite one side of the upper portion of a stack of paper sheets placed on an elevator table. A jogger is provided opposite the other side of the upper portion of the stack of paper sheets. The jogger is reciprocated by a reciprocator to press the upper portion of the sta...

The utility model relates to an atmospheric pressure sensing type water gauge for a solar water heater, which is characterized in that the lower end of a water tank of the water heater is connected with one end of a differential pressure pipe; both ends of a pressure transmission pipe are respectively connected with the other end of the differential pressure pipe and one end of a U-shaped water le...

The utility model relates to a solar water heater which comprises a sun shading awning body and a supporting rack. The solar water heater is characterized in that the upper surface of the sun shading awning body is provided with one row of solar vacuum filming pipes; the outlet end of each solar vacuum filming pipe is communicated and connected with a water tank. The utility model causes an awning...

The utility model relates to a solar digital display compensating heater. A water inlet and a water outlet of a water tank of the utility model is positioned on the lower part and the upper part of the water tank; the water level of a water compensating tank is corresponding to the height of the water outlet; a heating element is installed on the bottom of the water tank; a temperature sensor is i...

The utility model relates to a waveform curved surface accumulator plate and a lead-acid accumulator made of the waveform curved surface accumulator plate. The thickness of the plate is equal. A two-face waveform curved surface is composed of multiple segments of folding lines and a plurality of included angles alpha formed by the folding lines, wherein each included angle alpha is provided with a...

An air exhauster for water supply and drainage pipe of water tank for solar water heater features that in the water tank there is a reverse U-shaped water supply and drainage pipe, whose top has a temp-controlled air valve whose valve body has an air guiding channel. A valve core for opening or closing the air inlet or outlet of said air guiding channel has a temp sensor and is arranged in the air...

An electric generation station using solar energy features that the energy of sunlight is converted to heat energy of higher-temp fluid, which is then used to heat liquid for driving electric generation system or heating other substance. It is composed of sunlight-collecting heating system, heating system and electric generation system. Its advantages are low cost, high conversion efficiency, andb...

A device and method for applying a liquid to at least one advancing yarn which is guided over a surface of a driven godet in contact therewith. A liquid is supplied through a plurality of capillaries to the surface. To this end, the pore-sized openings of the capillaries are evenly distributed on the godet surface being wetted.

Flame retardant compositions comprising a polyester resin having melt strength higher than 8 centinewton and intrinsic viscosity greater than 0.8 dl/g, suitable for the preparation of foamed cellular material and a flame retardant compound capable of not reducing below 3 Nm the torque intake of the resin in a heating test at 280 DEG C under nitrogen for 10 minutes in the presence of 10% in weight ...

The tyre has several carcass inlays around the circumference of the tyre, reaching from bead-to-bead in the axial direction. These consist of solid reinforcements embedded in rubber. The ends (9', 9'') of ≥ 1 carcass inlay (9), which are directed around the circumference, overlap each other, at least near the side walls. There is ≥ 1 further rubber layer (7) around the circumference, radially outs...

For the quality control of an analysis system, a portable analyser has a disposable cassette with optical and/or electro-chemical sensors in the sample zone. The sensors in the cassette are brought into contact with a calibration and/or conditioning medium. The medium has chemical and/or physical parameters which affect the characteristics of at least one sensor. Directly before measurement of a s...

Calibration of a wavelength adjustment mechanism (104) of a laser is achieved using a hollow cathode absorption lamp (114). The lamp is provided with a vaporous material having a precisely known wavelength of maximum absorption. A photo-detector (130) detects the amount of light from the laser beam absorbed by the vaporous material as a function of wavelength. The wavelength of the laser is adjust...

A watchdog circuit (WD) monitors the function of the processor (MC) in that the processor (MC) outputs a cyclically repeating test signal to the watchdog circuit (WD), and the watchdog circuit (WD) generates a reset signal (RST) for the processor (MC) if the test signal (WDS) does not appear in a time slot (S1, S2) specified by the watchdog circuit (WD). The width of the time slot (S1, S2) can be ...