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130 results about "Selective opening" patented technology

Device and method for brewing coffee and espresso beverages

InactiveUS7032507B2Great tasteLittle or even no need to clean after usageTransportation and packagingWater-boiling vesselsFiltrationEngineering
Device and method for brewing coffee comprises a body connected to a container for allowing the formation of a dispersion of flavor-containing materials and liquid and the extraction of the flavor-containing materials to produce a liquid extraction, a porous filter connected to the body and having a first surface for contacting the dispersion, filtration openings for allowing the liquid extraction in the dispersion to pass through but blocking the flavor-containing materials and a second surface for receiving the liquid extraction, and a flow facilitator having a selective opening adapted to allow air to pass through but restrict the flavor-containing materials from passing through. The body and porous filter are adapted to allow the container to be tilted to generate a liquid head to act on the first surface of porous filter to drive the liquid extraction through the porous filter to produce a beverage. A coffee fine removing means may be incorporated into the device to render coffee beverage free of coffee fines to improving coffee smoothness. The device may further comprise an extraction chamber and an exchange chamber for producing a supply of beverage in the container for drinking or dispensing without any need to tilt the container to generate the liquid head.
Owner:CAI EDWARD Z

Brake system having a multifunction memory device

The invention relates to a brake system for a motor vehicle, having a master brake cylinder (4, 5), which is driven by an electric drive, wherein a piston plunger (25) and/or a spindle (2a) is in operative connection with a piston (3) of the master brake cylinder (4, 5), having wheel brake valves (7) for selective opening and closing the pressure lines (BL) connecting the wheel brakes (RB) to the master brake cylinder (4, 5), having an actuation device (1), in particular in the form of a brake pedal, that acts on a travel simulator (W), wherein in the event of a malfunction, in particular in the event of failure of the drive (2), the actuation device (1) acts mechanically, in particular by means of the pedal shaft (1a), on the piston plunger (25) to build up pressure in at least one wheel brake, and in normal operation there is a particularly small free travel (ao); between the piston plunger (25) and the actuation device, in particular between the piston plunger (25) and the pedal shaft (1a), having a control device including a brake-by-wire function, which actuates the drive (2) with the piston (3) as well as the wheel brake valves (7), in particular for either simultaneous or consecutive pressure build-up and pressure reduction in the wheel brakes (RB) for the ABS, ESP and/or recuperation functions, wherein the storage tank (6) or a fluid reservoir (20, 20') is used to adjust the magnitude of the free travel (a).
Owner:IPGATE
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