A centrifugal separator having a rotary bowl for receiving feed which forms a pool within the bowl a skimmer movably mounted to fixed structure within the bowl for removing liquid from the pool to a discharge system with an outlet external to the bowl, and adjustment means operable from outside the bowl for adjustably moving the skimmer oppositely toward and away from the bowl axis to vary the poo...

PURPOSE:To make a special purpose power take-off gear unnecessary so that the weight, size and cost of a transmission unit for a four-wheel drive vehicle may be reduced, by providing a power take-off gear always meshed with a back gear in the transmission unit. CONSTITUTION:When a main speed change gear 10 is in a position other than its neutral position, torque from an input shaft is always trans...

PURPOSE:To increase the life of a lead storage battery by coating the surface of an electrode plate with a solid mixture consisting of an epoxy resin and the oxide of an acid-proof electrochemically-inactive metal. CONSTITUTION:The surface of an electrode plate is coated with a solid mixture consisting of an epoxy resin and the oxide of a metal such as Al, Ca, Si, Zr or Y. The mixture consisting o...

PURPOSE:To reduce the degree of the individual process of formation, enable an expanded grid to be used and obtain a sealed battery highly resistant to overcharge by performing formation in a container after a preformed positive plate and an unformed negative plate are installed in the container. CONSTITUTION:A preformed plate is prepared as a positive plate. The positive plate is combined with an...

PURPOSE:To improve the overcharge resistant performance of a sealed lead storage battery, in which unformed positive and negative plates are subjected to formation in a container, by carrying out the formation in two stages. CONSTITUTION:The first formation in which a positive plate influencing the overcharge performance is principally formed and the second formation in which the amount and the co...

PURPOSE:To improve the overcharge resistant performance of a sealed lead storage battery, in which unformed positive and negative plates are subjected to formation in a container, by carrying out formation of an active material existing near a positive grid performed in the initial stage in electrolyte with a low concentration. CONSTITUTION:Formation of a positive plate influencing the overhcarge ...

PURPOSE:To increase life of a lead-acid battery without decreasing capacity by providing cation absorbent mainly comprising porous body of a metal oxide such as Al, Ca, Si, Zr, or Y inside active material or on the surface of an electrode. CONSTITUTION:A paste comprising 100g of water, 50g of silica powder having phenyl sulphone group on its surface, and 5g of monobasic aluminum phosphate which is...

A continuously operating screw ejection centrifugal separator. The drum and the screw are driven by an epicyclic gear train. Changes in torque between the screw and the drum of the centrifuge are measured and the differential speed of the screw and drum is controlled so as to obtain substantially steady state operation of the separator. For the control, a second epicyclic gear train is associated ...

The device comprises five concentric rings, the outer surfaces of which are contoured to form four circumferential split grooves in which the beads of the two bladders are clamped. The rings are assembled in proper angular position on dowels fixed to one end ring and extending through the three adjoining rings. Certain of the inner rings are clamped together as sub-assemblies by screws through the...

Preparation of polyurethane-urea. The stable reactant mixture in accordance with the invention is characterised in that it consists of a mixture of: a. a prepolymer in which the isocyanate functional groups have been blocked by an oxime in which the oxime functional group is not carried directly by an aromatic nucleus, b. and a chain-extending agent. Application to the manufacture of laminat...

Vacuum-regulated system for automatic disengagement of a manual clutch in a vehicle for eliminating mechanical rattle from the vehicle gearbox during idling. A servo unit in the system is joined to the clutch releasing arm and is controlled by the gearbox shift lever for moving the release arm to disengaged position when the lever is in neutral position. The control cable of the clutch pedal is co...

Low density foams are prepared from an admixture which comprises a medium which is polymerizable and/or crosslinkable by free radical initiation, carbonylhydrazine blowing agent, a peroxide curing agent, a suitable surfactant, and at least one transition metal salt promoter wherein at least one of the metal salts is a compound of iron or copper. The blowing agent in the presence of an effective am...

A silicone foam composition comprising a vinyl-containing polysiloxane, optionally a filler, water, a hydrogen-containing polysiloxane and a platinum catalyst. Such a silicone foam composition is useful as flame insulative material and especially for electrical systems in nuclear plants.

Method and device making it possible to carry out operations, such as measurements, in a first high-temperature location. The method according to the present invention uses, in order to cool an element 1 such as a measuring probe or drilling tool located at a first location 21, a cooling fluid coming from a second location 23 situated far away from the first location. According to the method, the ...

The brake cylinder is particularly of the expanding-wedge type for vehicle braking systems, having a piston with rod and a socket at the rod end for the thrust rod of the wedge mechanism, formed in a separate component secured to the piston rod. This component (16) is held in place on the rod (9) by a locking device (17), typically a detachable snap-connector. It can have a boss (23) and a should...

The epicyclic reduction gear with self-centering action comprises a sunwheel forming a central track for the planetary pinions, each of which is coupled to a roller running on the track. An annulus with which the pinions mesh is mounted on a flange forming a track for the rollers, and the pinions turn on spindles fixed to a carrier in turn fixed to the output shaft. The rollers (10) turn on spind...

A flexible container for the storage of liquids which incorporates a resealable opening. A flap is temporarily sealed over the opening of the unfilled flexible container. When the container is filled this temporary seal is broken and after filling a permanent heat seal is formed by applying heat externally to the flexible container. The flap is heat sealable on the surface contacting the opening i...

A switched mode power supply transformer, particularly for a television receiver, including a primary winding and a secondary winding with the primary winding and the secondary winding each being subdivided into a plurality of respective partial windings. The partial windings of the primary lie in a first group of chambers and the partial windings of the secondary lie in a second group of chambers...