FIELD: medical engineering. SUBSTANCE: blood fractionation centrifuge has rotor mounted on drive shaft. Adjacent arms of rotor carry cylindrical cups suspended loosely. Adapters for plasticate containers with body blood are arranged in cups. Adapter consists of there containers with bottom. Every container is formed by two flat walls positioned at angle of 120 deg. and third spherical wall adjacen...

FIELD: medical engineering. SUBSTANCE: blood fractionation centrifuge has rotor mounted on drive shaft. Adjacent arms of rotor carry cylindrical cups suspended loosely. Adapters for plasticate containers with blood are arranged in cups. Adapter has cylindrical body with bottom. The latter contains three radial partitions which are secured to one another at angle of 120 deg. for division of interna...

FIELD: transport engineering; convertible cycles. SUBSTANCE: proposed cycle can be converted into bicycle and back into tricycle. Convertible cycle has frame and front axle. Rear wheels, drive and saddle are secured on frame. Front axle has two turnable fork supports with forks and wheels. One of wheels is coupled with handlebar. Second wheel turns around vertical axle of fork. Front axle is detac...

FIELD: oil and gas producing industry; applicable in construction of wells. SUBSTANCE: method includes lowering of drilling bit into well, pumping of drilling mud, determination of drilling mud volume and density, and penetration rate at current depth of well. Bit is lowered on drill pipes to cement sleeve to drill it out. casing shoe is drilled out and wells is drilled through length of downhole ...

FIELD: methods of drilling and measurement of current coordinates of bottom of inclined and horizontal wells in drilling process. SUBSTANCE: method includes drilling of vertical well bore and installation in drilling assembly from the depth of crookedness increase of downhole motor, bent sub and landing device. Drilling of inclined and horizontal parts of well is accomplished by alternating use of...

FIELD: oil production; applicable in control of liquid amount flowing in pipeline and productivity of oil wells, particularly, wells equipped with sucker-rod pumps. SUBSTANCE: method includes measurement of time of liquid passage through known cross-section, velocity of liquid passage and subsequent processing of results. Novelty consists in that time of passage is determined by presence of acoust...

FIELD: geophysical well logging. SUBSTANCE: bottomhole telemetric system consists of downhole module with measuring transducers, transmitter and surface receiving and processing apparatuses. Transmitter is made in form of electric dipole installed in upper part of drill string formed due to separation of drill string lower part from upper part and connected with downhole module by wire communicati...

FIELD: air heating for drying farm product. SUBSTANCE: solar collector is built up of coaxially arranged external transparent enclosure and internal black flexible shell; it has reversing fan for inlet and outlet of heat-carrying agent and vent valve for the latter provided on underside of external enclosure. At location point of fan, collector is made in the form of distribution chamber with hole...

FIELD: gas-discharge engineering. SUBSTANCE: panel that may be found useful, for example, for gas-discharge color video modules is characterized in that, according to invention, geometry of gaps and gas filling in known ac gas display panels are chosen to ensure cyclic displacement of surface discharges in double display gap from one side of this gap to other with time and/or space asymmetry, sepa...

A pneumatic tire has a tread with a plurality of sipes (11,14,15), in which one of opposed wall faces (11a) of the sipe (11) is a concave face arc-shapedly curved over the whole of the sipe in a depth direction thereof and the other wall face (11b) thereof is a convex face just fitted to the above concave face (11a), and a curvature of each of the concave and convex faces (11a,11b) is substantiall...

A centrifuge comprising a container (110) which includes a cylindrical member (27) and a piston comprising a piston rod (8). The piston divides the cylindrical member (27) into a first chamber (70) positioned above the piston and a second chamber positioned below the piston. The apparatus comprises a supporting turntable (101) with means for releasably retaining the cylindrical member (27), the su...

The present invention discloses a magnetic valve for liquid and gaseous working media, in particular for hydraulic brake systems in automotive vehicles, which includes a first cylindrical housing part that is encompassed on its outside by a magnetic coil and has a cylindrical recess inside which extends in an axial direction to accommodate and guide an axmature, a tappet which is displaceable by t...

A cemented carbide drill/endmill blank and method of manufacture thereof wherein the drill/endmill includes a core and a surrounding tube with improved technological properties. The difference in Co-content between the core and tube is 1-10 wt-% units and the cubic carbide content is 8-20 wt-% in the tube and 0.5-2 wt-% in the core.

An apparatus for separating e.g., a fibrin monomer from blood includes a container (110) with a reaction chamber defined by an outer wall for receiving plasma and a means for supplying the chamber with an agent for converting the fibrinogen content of the plasma into a non-cross-linked fibrin polymer. The apparatus includes a device for centrifuging the plasma and the agent within the chamber to a...

Der rückspülbare Filter, insbesondere als Hauswasser-Feinfilter geeignet, besitzt einen Zufluss (A) für ungefiltertes Wasser, einen Austritt (B) für gefiltertes Wasser und einen Abfluss (E) für das im Rückspülmodus anfallende Schmutzwasser. Mehrere sich über die gesamte Länge des Filtereinsatzes (1) erstreckende Absauger (2) weisen auf die äussere Mantelfläche des Filtereinsatzes (1) gerichtete Sa...

The utility model relates to a solar energy water heater with a vacuum glass container, comprising a heat collector, a water storage tank, a corresponding water transport pipeline, and a valve. The solar energy water heater with a vacuum glass container is characterized in that the heat collector is a spherical or cylindrical vacuum glass container with a water inlet and a water outlet, and a blac...

The utility model relates to a combined water inlet valve for a solar water heater, which is reasonably composed of an electromagnetic valve, a manual valve and a one way valve. The utility model is connected between a tap water pipe and a water inlet pipe of a container; the one way valve of a total valve body is directly connected with the water inlet pipe, and the electromagnetic valve and the ...

The utility model relates to an antifreezing device for a solar water heater, comprising a water cavity body. The inside of the water cavity body is provided with a deforming body which can adjust the conversion of water and ice to cause the change of volume. The utility model which has the advantages of simple structure, easy application, good operation performance, good antifreezing effect can b...

A label 10 suitable for attachment around an article, such as a pharmaceutical container, comprises a first (upper) face suitable for information, a second (lower) adhesive face, and a coating of adhesive release agent on the first face of one end 14 of the label. As the label is wrapped around and adhered to the article, the label is long enough so that the other end 13 can overlap end 14 and be ...

A roller control unit (2) for a continuously-variable-ratio transmission includes a cylinder (6) having a cylinder wall and an end wall; and a piston (8), within the cylinder (6) and to which the roller assembly (4) is connected for movement therewith, said unit includes an axially extending shroud (10) of variable length extending between the piston (8) and the end wall, thereby to define in comb...