The present invention provides a lead acid storage battery keeping sufficient cycle life even under vibrating conditions. The lead acid storage battery of the present invention includes an assembly element that is obtained by alternately laying positive electrode plates (4), each positive electrode plate having an expanded grid, and negative electrode plates (2), each negative electrode plate bein...

PCT No. PCT/DK95/00440 Sec. 371 Date Aug. 4, 1997 Sec. 102(e) Date Aug. 4, 1997 PCT Filed Nov. 6, 1995 PCT Pub. No. WO96/14935 PCT Pub. Date May 23, 1996A decanter centrifuge (1) has a rotor comprising a helical conveyor (2) and a drum (20). The conveyor (2) comprises a conveyor hub (3) and helical flights (4), and the drum comprises an inner shell (21) of steel and an outer shell (22) of fiber re...

This invention relates to a gear shift method for an electric automobile, which is used upon changing a gear ratio of a transmission in the electric automobile. First, in step 1, when a change-over signal is outputted from shifting means, output control of a motor, which has been performed in accordance with a stroke of an accelerator pedal, is canceled, and the transmission is changed into a neut...

A decanter centrifuge comprises a bowl (12) rotatable about a longitudinal axis, the bowl being provided with a cake discharge opening (18) at one end and a liquid phase discharge opening (20). The bowl has a cylindrical portion (28) and a beach portion (42) disposed between the cylindrical portion and the cake discharge opening. A beach area is provided on an inner surface of the bowl at the beac...

A sealed lead-acid battery includes a separator made from hydrophilic treated sheet made from synthetic fiber wraps at least either one of positive electrode and negative electrode, and a mat type separator made from fine glass fiber is disposed between the wrapped electrode and its opposite electrode. This structure is adopted in a battery which uses a paste type electrode where an expanded grid ...

The invention relates to a device for loading a fragmenting machine, such as a hammer crusher, including a front and rear upper drive roller which are equipped, independently of each other, with a drive mechanism and arranged above the feed plane of a feed chute. The drive rollers are mounted on a displaceable and pressure exerting system of levers, such that a continuous, pre-pressed and controll...

An apparatus suitable for treating mineral material, particularly excavated earth, has two rollers that rotate in opposite directions, on which a plurality of elements is disposed, the elements serving to transport and reduce the material in case its particle size is too large. Elements that are designed to exert a notch effect onto particle sizes larger than a minimum size are provided for reduci...

The electromagnetic actuator has a U-shaped yoke (11) that is positioned above an armature (13) built from segments or laminates (15,16). The armature is pivot mounted on a shaft (14), that is fixed at one end and free at the other end, enabling it to act as a torsion bar.; Es wird ein elektromagnetischer Aktuator für ein Stellglied beschrieben, dessen Anker zur Erniedrigung der Wirbelströme aus A...

A reel (20) comprises a drum assembly (22) enclosed within a shell comprising upper and lower shell portions (24, 26). The drum assembly (22) is secured to the lower shell portion (26). The drum assembly (22) comprises a motor-driven rotating drum (36) secured between two discs (38, 40), and a frame subassembly (23). The drum (36) is adapted to receive linear material (150) spooled thereon. An out...

A reel (20) comprises a drum assembly (22) enclosed within a shell comprisin g upper and lower shell portions (24, 26). The drum assembly (22) is secured to the lower shell portion (26). The drum assembly (22) comprises a motor-driven rotating drum (36) secured between two discs (38, 40), and a frame subassembly (23). The drum (36) is adapted to receive linear material (150) spooled thereon. An ou...

A streamer handling and towing system for a seismic survey vessel comprises a beam (42) secured to the underside of the deck (50) of the vessel immediately above the streamer deck (20), so that it extends generally longitudinally of the vessel above normal head height. The beam (42) is pivoted at its stern end, and supported at its other end (54) by a telescopic arm (56) which can lower that end t...

An electret article can be made by quenching a molten blend containing a polymer and a performance-enhancing additive. The resulting low crystallinity material can be annealed and charged to produce a material for making electret filters having superior oily mist loading performance properties.

Die Erfindung beschreibt ein Verfahren zum Pressen einer Schneidplatte aus pulverförmigem Ausgangsmaterial zur Verwendung in einem Bohrer und spezielle Ausführungen von Schneidplatten die mit dem erfindungsgemäßen Verfahren herstellbar sind. Wesentlich bei dem Verfahren ist, dass die Schneidplatte (1) liegend in der Pressmatrize (5) angeordnet ist und die Relativbewegung von Oberstempel (7) und Un...

Gegenstand der Erfindung ist ein Verfahren zur Herstellung von weichen bis halbharten Polyurethanformkörpern mit verdichteter Randzone mit gegebener Härte und einem deutlich weicheren Zellkern, sogenannten Integralschaumstoffen, bei denen als physikalische Treibmittel nicht brennbare Mischungen aus Fluoralkanen eingesetzt werden, die 1,1,1,3,3-Pentafluorbutan (R 365mfc) enthalten.; The invention r...

An apparatus for processing compounds in small volumes by electrophoresis, the apparatus comprising: (a) a cathode in a static cathode buffer zone or compartment; (b) an anode in a static anode buffer zone or compartment, the cathode disposed relative to the anode so as to be adapted to generate an electric field in an electic field area therebetween upon application of a voltage potential between...

A mobile robot, which is guided by a new learning algorithm is presented. The first task for the robot is searching a path like a human being. That is, finding a semi-optimal path to a given goal in a wholly unknown, unpredictable and partly, dynamic large-scale environment. Therefore, it demands high technique of environment modeling through learning. Because the robot should realize its missions...

The invention concerns a device for locking two elongated elements the first of which slides in the second telescopically, comprising means (12, 22) for locking the first element (2) longitudinally relative to the second element (4), comprising a lock washer (13) arranged around the first element and whereof the circumferential part is placed between two longitudinally opposite supports of the sec...

A method is described for fabricating an organic light emitting device, which method comprises steps of providing a planar substrate, constructing a plurality of first electrodes on the substrate surface, constructing a set of walls in between the plurality of first electrodes, constructing a layer of organic light emitting material overlying the first electrodes, constructing a second electrode l...

A body cover for a bed mattress includes a sheet of flexible material having a sheet upper surface and a sheet longitudinal axis, dividing the sheet into two lateral regions; two lateral edges extending generally parallel to the longitudinal axis, each lateral edge extending adjacent to one of the sheet lateral regions; a head region at a first end of the sheet and a head edge adjacent to the head...

A self supporting pleated fluid filter medium having different fibers to provide pleats sufficiently self supporting to maintain pleated form during fluid filter treatment, the invention fixer including low melt fiber and an optional support frame and a method of making such pleated filter.