A multistage turbocompressor is equipped with a tapping point between two compressor stages. The guide-blade cascade of the stage arranged directly upstream or downstream of the tapping point is designed with adjustable geometry. The pressure at the tapping point can be set within wide limits, irrespective of the compressor operating point, by an adjustment of this guide-blade cascade.

A centrifugal pump includes plural pump stages, each comprising an impeller assembly, a stationary disc assembly and a diffuser assembly, all disposed about an impeller shaft. A floating impeller hub seal is supported by a diffuser assembly to minimize fluid recirculation. A thrust washer is disposed around the impeller shaft and is engageable with an impeller hub and the hub seal. A wear ring is secured to a disc assembly and engageable with a wear surface on the impeller.

A multistage socket including a main body having a disc section. Multiple fixing blocks are disposed on one face of the disc section at equal angular intervals. A movable block is arranged between each two adjacent fixing blocks. The inner end faces of the movable blocks facing the center of the disc section define a polygonal hole. The movable blocks are resiliently movable toward or away from the center of the disc section. A rotary member is rotatably fitted around the disc section of the mai...

An improvement for sealing a small space between each cooling tube and a tube hole for receiving and supporting the cooling tube formed through a partition wall which divides a shell into a plurality of stages or chambers, in which straight cooling tubes are inclined from a high-pressure chamber to a low-pressure chamber and received and supported in the tube holes with square edges and the condensate flowing along the inclined cooling tube fills the small space between the cooling tube and the ...

With the automatic transmission 10-1 for vehicle according to the present embodiment, since multistage transmission of eight forward gear stages can be obtained by means of four sets of planetary gear sets 12, 16, 18 and 20, four clutches C1 through C4 and three brakes B1 through B3, the transmission can be fabricated to be light in weight and made compact, wherein the mountability thereof in a vehicle can be improved. Further, as has been made clear in FIG. 1(b), since speed change in the respe...

The axial-flow low pressure section and radial-flow or diagonal-flow high pressure section are separated by a recooler in which the working fluid is first deflected outwardly from the rotor, spread fanwise in a channel around and perpendicularly of the rotor, then deflected towards the rotor and fed perpendicularly through a channel to the compressor axis. In addition, a cooling element is disposed in one of the channels for cooling of the working fluid.

A multistage compressor includes a lower pressure side compression part, a higher pressure side compression part, an intermediate conduit placing the lower and higher side compression parts in communication, and a cooler disposed midway of the intermediate conduit for allowing gas to flow from the lower pressure side compression part to the higher pressure side compression part and for cooling the flowing gas. The cooler includes a drain outlet port. The compressor further includes an electromag...

In a multistage tenter with the right and left clip chains for conveying a belt-shaped film in a drying unit, a tensing mechanism operates to slide the supports of a pair of right and left sprockets engaged with the clip chains to tension the latter simultaneously, so that the shorter of the two clip chains is automatically tensioned more than the other, whereby the pitch error of the clip chains is absorbed, and the film is accordingly prevented from being wrinkled while being conveyed.

A multistage evaporator plant having combined vapor compressor and heat pump for recovery of the heat contained in the vapors. The evaporator section comprises several stages and a heat input, a condensate output and a vapor output. The vapor compressor can comprise a steam jet injector connected to a source of booster steam for providing steam power and connected to the heat input of the evaporator section, a distributor valve connected to an input of the steam jet injector. The heat pump can c...

An improved multistage switch with a small size, convenience in assembly and excellent sensitivity. The multistage switch includes a pedestal and a cover engaged with the pedestal. The pedestal defines a central recess therein and has a boss extending upwardly from a base defining the central recess. An input conductive strip, an output conductive strip and a central conductive strip are respectively disposed within the central recess of the pedestal. An input wire connected with the input condu...