The suction device (10) serving for cleaning purposes comprises an areal filter element (56) which in a nonloaded state has an arched shape (60) relative to its frame. The arching direction is reversible by reversal of the air flow (54) passing through the filter (50).
A floor cleaning apparatus has a dust entry opening (21) in a housing (12) and a collecting holder with an element to support the housing on the floor comprising discs (42,43) on a rotary axle (46) with radial regions resting on the floor. At least one side flank of a disc is inclined to the axle.
A first tubular member 370 of smaller diameter is coupled to a second tubular member 100 of larger diameter by placing the smaller tubular inside the larger tubular and displacing an expansion cone 375 through the smaller tubular. The interface between cone and tubular is lubricated and the cone is ...
The invention proposes a power amplification under variable envelope excitation, wherein an original input signal at least is converted into a phase modulated signal part, at least the phase modulated signal part is fed to an input port of an amplifier unit, the input signal is amplified by dynamica ...
A mono-diameter wellbore (100) casing. If the fluid seal of the overlapping joint between the upper end portion (210d) of the tubular member (210) and the lower end portion (115a) of the casing (115) is satisfactory, then any uncured portion of the material (255) within the expanded tubular member ( ...
A backplane interface adapter with error control and redundant fabric for a high-performance network switch. The redundant fabric transceiver of the backplane interface adapter improves the adapter's ability to properly and consistently receive narrow input cells carrying packets of data and output ...
The present invention is a safety shield assembly having a shield and a collar for connecting the shield to a fluid handling device whereby the shield may be pivoted with respect to the collar. Preferably, the safety shield assembly may be used with a needle assembly, an intravenous infusion set a s ...
A liquid crystal display device has a liquid crystal panel (210), a DA converter (222) for g
A liquid crystal display unit has a liquid crystal panel (1), a plurality of color filter members (7a,7b,7c) and a backlight constituted by an organic electroluminescent device (120). The liquid crystal panel (1) has a plurality of pixels. The color filter members (7a,7b,7c) have different colors fo ...
