GB316973A - Improvements in or relating to rotary vacuum pumps - Google Patents

Improvements in or relating to rotary vacuum pumps

Info

Publication number
GB316973A
GB316973A GB22612/29A GB2261229A GB316973A GB 316973 A GB316973 A GB 316973A GB 22612/29 A GB22612/29 A GB 22612/29A GB 2261229 A GB2261229 A GB 2261229A GB 316973 A GB316973 A GB 316973A
Authority
GB
United Kingdom
Prior art keywords
rotary vacuum
relating
vacuum pumps
stuffing
shaft
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
GB22612/29A
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Alfa Laval Holdings Amsterdam AB
Original Assignee
Separator AB
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Separator AB filed Critical Separator AB
Publication of GB316973A publication Critical patent/GB316973A/en
Expired legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C29/00—Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
    • F04C29/02—Lubrication; Lubricant separation
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C27/00—Sealing arrangements in rotary-piston pumps specially adapted for elastic fluids
    • F04C27/02—Liquid sealing for high-vacuum pumps or for compressors

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Non-Positive Displacement Air Blowers (AREA)

Abstract

316,973. Aktiebolaget Separator, (Assignees of Hapgood, C. H.). Aug. 7, 1928, [Convention date]. Stuffing-boxes, substitutes for.-A stuffing-box device for the shaft of a rotary vacuum punch comprises two discs k encircling the shaft and pressed apart by a spring m; they are situated in a chamber i in which a sub-atmospheric pres. sure is maintained by a. bore 20 opening into the pumping space.
GB22612/29A 1928-08-07 1929-07-23 Improvements in or relating to rotary vacuum pumps Expired GB316973A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US316973XA 1928-08-07 1928-08-07

Publications (1)

Publication Number Publication Date
GB316973A true GB316973A (en) 1930-05-22

Family

ID=21860910

Family Applications (1)

Application Number Title Priority Date Filing Date
GB22612/29A Expired GB316973A (en) 1928-08-07 1929-07-23 Improvements in or relating to rotary vacuum pumps

Country Status (1)

Country Link
GB (1) GB316973A (en)

Similar Documents

Publication Publication Date Title
GB316973A (en) Improvements in or relating to rotary vacuum pumps
GB517796A (en) Method and apparatus for testing or determining the moisture content of substances
GB507842A (en) Improvements in or relating to shaft packings
GB480524A (en) Improvements in liquid seals for relatively rotating members
GB281207A (en) Improvements in packing glands for rotating shafts
GB599961A (en) Improvements in or relating to rotary pumps
GB373491A (en) Improvements in or relating to sealing devices for shafts
GB460671A (en) Shaft packing for rotary compressors
GB503149A (en) Improvements in or relating to shaft packing or sealing devices
GB292609A (en) Improvements in or relating to packings for stuffing boxes
GB524593A (en) Improvements in and relating to the operation of axial compressors
GB472987A (en) Improvements in or relating to centrifugal or rotary air or gas compressors
GB244627A (en) Improvements in and relating to stuffing boxes for shafts
GB359624A (en) Improvements in or relating to stuffing boxes
GB439591A (en) Improvements relating to stuffing boxes
GB279746A (en) Improvements in or relating to stuffing boxes for centrifugal pumps
GB309791A (en) An oil circulating system for rotary compressors
GB264604A (en) Improvements in or relating to air pumps
GB341004A (en) A new or improved packing for the spindles of rotary pumps and like machines
GB304749A (en) Improvements in refrigerator compressors
GB387277A (en) Improvements relating to steam generators
GB638152A (en) Improvements in sealing devices for rotary shafts
GB301871A (en) Improvements in rotary refrigerators
GB531206A (en) Improvements in or relating to the arrangement of the control means of rotary compressors having a crescent shaped working chamber
GB518428A (en) Improvements in or relating to rotary immersion pumps