Classifications

• • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
  • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
  • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
  • F04D25/00—Pumping installations or systems
  • F04D25/02—Units comprising pumps and their driving means
  • F04D25/08—Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation
  • F04D25/10—Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation the unit having provisions for automatically changing direction of output air
• • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
  • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
  • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
  • F04D17/00—Radial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal pumps
  • F04D17/08—Centrifugal pumps
  • F04D17/16—Centrifugal pumps for displacing without appreciable compression
  • F04D17/161—Shear force pumps

Definitions

• the invention is not available for devices producing excessive pressure of the air or other gas for their transportation, 5 and is not suitable for use.
• the closest to the essence of the invention is a fan ( ⁇ , ⁇ , 88/00025), which contains a short-circuit channel, and a short-circuit channel.
• a fan which contains a short-circuit channel, and a short-circuit channel.
• the drive is connected to the drive shaft, for example an electric motor, and is installed with the possibility to rotate the drive shaft.
• separate channels are installed in the indirect channel, installed with two conveniently installed terminals, which means that they are installed in a separate channel.
• THESE DISCHARGES ARE AVAILABLE WITH CAPACITY VENTS IN THE AREA OF SUCTION AND EXPLOSION AREA.
• ⁇ a- ⁇ y ven ⁇ ilya ⁇ on account of the forces vyaz ⁇ s ⁇ n ⁇ g ⁇ ⁇ eniya in ⁇ g ⁇ anich- us ⁇ sl ⁇ yah in ⁇ ve ⁇ ⁇ n ⁇ s ⁇ ey dis ⁇ v v ⁇ aschayuscheg ⁇ sya ⁇ a ⁇ zdae ⁇ d vs ⁇ echn ⁇ na ⁇ avlenny ⁇ v ⁇ zdushny ⁇ ⁇ a.
• ven ⁇ ilya ⁇ e, s ⁇ glasn ⁇ iz ⁇ b ⁇ e ⁇ eniyu, blag ⁇ da ⁇ ya You are a ⁇ lneniyu ⁇ usa with v ⁇ zm ⁇ zhn ⁇ s ⁇ yu v ⁇ ascheniya v ⁇ ug ⁇ si ⁇ a, ⁇ us ⁇ iv ⁇ di ⁇ sya v ⁇ v ⁇ aschenie on account ae ⁇ di- namiches ⁇ i ⁇ forces vsleds ⁇ vie cheg ⁇ s ⁇ zdayu ⁇ sya ⁇ asseyannye 15 ⁇ s ⁇ ans ⁇ ve v ⁇ zdushnye ⁇ i, ⁇ bes ⁇ echivayuschie blag ⁇ - ⁇ iya ⁇ ny v ⁇ zdu ⁇ ⁇ bmen ⁇ around ⁇ bemu ⁇ mescheniya , which creates comfortable and safe conditions for human health.
• Discs 2 of drive I are connected to a separate connector on shaft 6, which is directly connected to the drive unit 4 of motor 5 and is connected to the shaft 4 of the motor 5.
• Room I is located in room 7, the walls are for quick channel 8 (Fig. 2), the pendicular mode 3 is for I. The data is not available.
• - 4 - a large cross section.
• On Channel 8, two transitions of 9.10 are secured, installed from two conveniently located drives I along with the last 3.
• Stage 9.10 divides the area of channel 8 from the side of the building I and is divided by the walls of section 7 of the 11.12 suction area and the pressure of the 13.14 outlet.
• Part 7 (Fig. ⁇ ) is mounted on motor 15 of motor 5 on extension 16 with a rotation function.
• the electric motor 5 is installed in a range of 17 on the ammunition 18. 15 and in a set of 17 a fixed circuit 19 is installed.
• the controller shown in Fig. 1,2 works with the following process. P ⁇ i v ⁇ aschenii mn ⁇ g ⁇ dis ⁇ v ⁇ g ⁇ ⁇ a I, za ⁇ - ⁇ e ⁇ lenn ⁇ g ⁇ on ⁇ ntse shaft 4 ele ⁇ dviga ⁇ elya 5 in na ⁇ - ⁇ avlenii, u ⁇ azann ⁇ m s ⁇ el ⁇ y ⁇ ( ⁇ ig.2) in ⁇ use 7 ven ⁇ i- 20 lya ⁇ a v ⁇ zdu ⁇ forces on account vyaz ⁇ s ⁇ n ⁇ g ⁇ ⁇ eniya, in ⁇ g ⁇ anichny v ⁇ zni ⁇ ayuschi ⁇ ⁇ sl ⁇ yah y ⁇ ve ⁇ n ⁇ s ⁇ ey dis ⁇ v 2, in the two- ⁇ e ⁇ emeschae ⁇ sya ⁇ vzaimn ⁇ ⁇ iv ⁇ l ⁇ zhny ⁇ na ⁇ avleniya ⁇ , ⁇ b ⁇ azu
• the intentional use of the ventilator may be used in the household equipment for the regulation of the hosted exchange, in order to
• ⁇ zm ⁇ zhn ⁇ is ⁇ lz ⁇ vanie ve ⁇ ilya ⁇ a ⁇ dya ⁇ tstse ⁇ zhaniya in ⁇ izv ⁇ tss ⁇ vensh ⁇ ⁇ mescheniya ⁇ v ⁇ zdushn ⁇ y s ⁇ etsy, ne ⁇ b ⁇ di- m ⁇ y tslya ⁇ susches ⁇ vleniya ⁇ e ⁇ n ⁇ l ⁇ giches ⁇ i ⁇ ⁇ tsess ⁇ v.

Landscapes

• Engineering & Computer Science (AREA)
• Mechanical Engineering (AREA)
• General Engineering & Computer Science (AREA)
• Structures Of Non-Positive Displacement Pumps (AREA)
• Nitrogen And Oxygen Or Sulfur-Condensed Heterocyclic Ring Systems (AREA)

Applications Claiming Priority (1)

Publications (3)

Family

ID=21617573

Family Applications (1)

Country Status (6)

Families Citing this family (12)

Family Cites Families (15)

• 1989
  • 1989-10-16 EP EP90902571A patent/EP0473779B1/de not_active Expired - Lifetime
  • 1989-10-16 DE DE58909374T patent/DE58909374D1/de not_active Expired - Fee Related
  • 1989-10-16 JP JP2502768A patent/JPH06502464A/ja active Pending
  • 1989-10-16 WO PCT/SU1989/000268 patent/WO1991005956A1/ru active IP Right Grant
• 1991
  • 1991-06-14 FI FI912890A patent/FI912890A0/fi not_active Application Discontinuation
  • 1991-08-16 US US07/760,446 patent/US5240371A/en not_active Expired - Fee Related

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