Abstract: Hydrostatic supporting apparatus which supports, without physical contact, a mobile part which moves relatively to a load-bearing part. The apparatus comprises a supporting piston which has at least one hydrostatic bearing pocket which provides a pressure cushion through which the mobile part is supported, and which is urged toward the mobile part by a controlled pressure which increases and decreases, respectively, as the piston moves toward and away from the load-bearing part. Preferably, pressure control is effected by a throttle valve interposed either in a supply path leading from a source of pressure medium to the pressure chamber of a hydraulic supporting motor, or in a feed passage leading from that pressure chamber to the bearing pocket.

Abstract: Mixer for resin and sand comprises walls which form an inlet for the sand, an annular gap for the sand following the inlet, following which gap is an axially symmetrical mixing chamber and an outlet for the mixture; a supply arrangement with pipes for the separate components of the resin is provided in the mixing chamber, and a rotatable dished member is arranged beneath the pipes; two solids of revolution arranged coaxially one above the other are provided between the mixing chamber and the outlet, between which solids an annular intermediate interstice is left for the mixture, the lower of the solids of revolution limiting the mixing chamber in the downward axial direction and being rotatable; the dished member of the supply arrangement and arranged below the pipes for the components is connected to the lower, rotatable solid of revolution; that surface of the dished member facing the mixing chamber is made at least partially to rise radially outwards, and, spaced from the rising surface of the dished membe

Abstract: Filtration apparatus comprises in a housing an annular filtration chamber into which there is admitted a suspension under pressure and which is formed between an external filtration surface in the form of a body of revolution and an internal filtration surface which is housed therein and is in the form of a body of revolution also; the annular filtration chamber has a suspension inlet at one of the chamber ends and has at its other and a product outlet; the filtration surfaces are connected in each case to a filtrate discharge collector; a rotating mixing-agitating device is arranged in the annular filtration chamber.

Abstract: Deflection control device, having a stationary supporting member; said supporting member comprising a series of hydrostatic supporting elements; said device also having a shell movable transversely in relation to the series of said supporting elements; ducts being provided in said supporting member for supplying or discharging pressure fluid for said supporting elements; a partition wall separating two of said ducts from one another; the position of said partition wall being variable along the series of said supporting elements.

Abstract: Hydrostatic apparatus for supporting a mobile part which moves relatively to a foundation comprises a bearing shoe having a bearing face containing a pressure pocket, and a hydraulic servomotor which exerts on the shoe a force urging it toward the mobile part. A support element connected with the shoe and the foundation positively holds the shoe against movement in at least one direction along its supporting axis, and its restraint is so correlated with the pressure forces acting on the shoe that the latter is rendered non-displaceable. Depending upon the relative magnitudes of the forces developed by the servomotor and by the pressure acting on the bearing face, the support element may normally be unloaded, loaded in tension or loaded in compression. In the first case, the support element prevents movement of the shoe in opposite directions along the support axis, whereas in the second and third cases it may permit movement of the shoe toward and away from the foundation, respectively.

Abstract: Push-type centrifuge, with a rotor which comprises a centrifuging drum and a push plate and a push motor comprising a push piston and a push cylinder, which motor is arranged coaxially of the rotor, while the push cylinder is connected fast to the stationary centrifuge housing, and the push piston rotates with the rotor, characterized in that the shaft of the rotor and the push cylinder of the push motor are mounted one within the other by a double-acting axial bearing.

Abstract: Filtration apparatus comprising in a housing an annular filtration chamber which is supplied with a suspension under pressure. The chamber is bounded between an external and an internal surface both of them in a form of a body of revolution, at least one of them being formed as a filtering surface and in the case connected to a filtrate discharge collector. At least one of the surfaces is capable of rotating. The chamber is connected at one end to a suspension inlet and on its other end to a product outlet. The surfaces bounding the filtration chamber are arranged eccentrically relatively to one another whereby a sufficient passage for the product is left free between the surfaces even in the narrowest figure of the eccentrical profil of the filtering chamber.

Abstract: The disclosure concerns a hydroelectric machine including a tube-type hydraulic machine having a bladed wheel which carries adjustable blades, rotates about a horizontal axis and is connected with a shaft which extends into a guide blade lattice hub, and an electrical machine which surrounds the bladed wheel and has a rotor secured to an annular rim in which the external ends of the adjustable wheel blades are pivotably mounted. The rotating set is provided with three radial bearing arrangements, one being associated with the rotating unit formed by the rotor and the rim, providing sole radial support for that unit, and consisting exclusively of hydrostatic devices which support without physical contact. The other bearing arrangements are associated with the shaft at its free and bladed wheel ends, respectively.

Abstract: The disclosure concerns an improved scheme for storing a dust pan on a push broom which is suitable for use with ordinary, commercially available push brooms, and which facilitates mounting and dismounting of the dust pan. The new scheme employs a dust pan having a channel-shaped handle which is adapted to freely receive and extend around the upper surface of the broom handle, and a pan portion which is adapted to underlie the broom handle and be held captive between that handle and a pair of flanking retainers on the brush head.

Abstract: The disclosure concerns adjusting mechanism for controlling tilting of the back of a locomotive engineer's seat. The improved mechanism is a self-contained, protected unit which affords positive, reliable control action. The unit may be applied to standard seats now in service as a replacement for the conventional adjusting mechanism, or it may be installed as original equipment during manufacture of new seats.

Abstract: This disclosure concerns a trailer for safely and easily transporting full-size motorcycles. The trailer employs a drop or low slung load-supporting bed provided with decking and at least one channel-shaped longitudinal cycle track having a pivoted ramp portion. These features permit the cycle to be driven onto the trailer under power. A stored cycle is confined by the track, the ramp and a wheel well located at the forward end of the track, all of which engage only the cycle tires. Secure retention of a stored cycle is accomplished solely by clamping mechanism which compresses the cycle in the longitudinal direction between surfaces of the wheel well and the ramp.

Abstract: A vertical centrifuge comprises a housing provided with a cover. A centrifuge drum is arranged to be rotatable in the housing and has an upper feed opening and a lower discharge opening. A shield is arranged above the discharge opening and comprises a screening wall which covers only a part of the circumference of the discharge opening and is carried and can be displaced by means of a shaft mounted in a holding arrangement and passing through the cover. The holding arrangement comprises means for the rotation of the shaft.

Abstract: The disclosure concerns a modular liquid collection system for use on the roadbed of a railroad, particularly at fueling stations. The modules are arranged end-to-end along the track, and are composed of precast components made of reinforced concrete or foamed plastic. In the most complete form, each module includes a central basin which rests on the ties between the rails, and a pair of side basins which rest on the ties at the outboard sides of the rails and which are formed with integral curbs. The basins have liquid-receiving surfaces which are pitched in both the transverse and longitudinal directions and have centrally located drain openings which overlie a transverse drain trough. The basins of the end modules of a series are equipped with removable end curbs.

Abstract: A weir arranged on a longitudinal section of the bottom of an upwardly open path of conveyance, e.g. a centrifugal drum or a conveyor channel; the weir is formed of a membrane which divides off from the material being transported a pressure medium chamber which is arranged at the bottom of said path, extends transversely relatively to the direction of transport of the path and can be subjected to pressure by admission of a pressure medium. The membrane forming the weir can be stiffened to resist to considerable forces acting.

Abstract: The disclosure relates to laying railroad rail. The rail is placed on the unspiked tie plates of a roadbed. One end is fixed in place. Starting at the fixed end, successive sections of the rail are if necessary subjected to heat exchange to bring them to a predetermined temperature, relates to the mean ambient temperature of the locality where the rail is being laid. The necessary heating or cooling may be performed using means moved along the rail from the fixed end toward the free end. In order that rail may be laid at said predetermined temperature and while stress free, vibrations are imparted to the rail whereby any stress tending to develop in the rail from expansion or contraction, because of the temperature change, is relieved. The stress free rail at the predetermined temperature is then spiked in place and rail anchors are applied.

Abstract: Nuclear power station having a reactor buried in rock and machine groups formed with the use of turbines, compressors, generators or other apparatus, inclusive gas conduits; the individual machine groups and the gas conduits are arranged in rooms hollowed out in the rock for receiving and supporting these; to each group there leads at least one tunnel hollowed out in the rock; a safety chamber for a machine group concerned is situated adjacent the group and is secludable relatively to the atmosphere.

Abstract: Method of dissolving out a sodium sulphate component of a residual product obtained upon evaporation and cooling of a sodium hydroxide solution originating from a diaphragm electrolysis, the product occuring in form of a crystallized salt mixture containing sodium chloride and sodium sulphate. First of all residues of the sodium hydroxide are removed from the product. Thereafter the mixture of sodium chloride and sodium sulphate is so slurried in water and treated that a maximum of the sodium chloride and a first part of the sodium sulphate are dissolved up to a solution being saturated of said two components while a second part of the sodium sulphate and a possible rest of the sodium chloride remain suspended. Whereafter the suspended solid substance is then separated from the sodium chloride-sodium sulphate mother brine.

Abstract: A path of conveyance is provided with a membrane for transporting a material over a length section of the path towards a discharge end; the membrane demarcates from the material a pressure medium chamber situated at the bottom of the path, extending transversely to the direction of conveying and being adapted to be acted upon by means of a pressure medium; as viewed in a longitudinal section through the path the membrane comprises two portions of which the first portion situated relatively near the discharge end of the path is reinforced in the longitudinal direction, and the second portion is left flexible; the edge of the reinforced first portion which is situated relatively near the discharge end of the path is also left flexible; at least the second, flexible portion of the membrane is briged by means of a covering skin.

Abstract: Method of concentrating sodium or potassium hydroxide liquids by means of a heated evaporator whereby for a preliminary pre-evaporation of the liquid to be concentrated the liquid is first of all heated by direct contact with the superheated evaporation vapors issuing from the evaporator; a suitable apparatus for this method is disclosed which comprises an evaporator and a pre-evaporator this arranged at the upstream side of the evaporator and heated by direct contact with the evaporation vapors issuing from the evaporator.

Abstract: Clearing centrifuge having an inlet tube for filling the centrifuge drum; said inlet tube extending into said drum and comprising at least two outlet apertures for the material to be centrifuged; the improvement that said inlet tube comprises two or more tube parts which are arranged at least partly in one another and are adapted to be adjusted relatively to one another, and that two of said tube parts each comprise, or jointly form, one of said outlet apertures.