NL162721C - Schroefpomp. - Google Patents

Schroefpomp.

Info

Publication number
NL162721C
NL162721C NL7001705.A NL7001705A NL162721C NL 162721 C NL162721 C NL 162721C NL 7001705 A NL7001705 A NL 7001705A NL 162721 C NL162721 C NL 162721C
Authority
NL
Netherlands
Prior art keywords
screw pump
pump
screw
Prior art date
Application number
NL7001705.A
Other languages
English (en)
Dutch (nl)
Other versions
NL7001705A (cg-RX-API-DMAC7.html
NL162721B (nl
Original Assignee
Cerpelli Orazio
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 Cerpelli Orazio filed Critical Cerpelli Orazio
Publication of NL7001705A publication Critical patent/NL7001705A/xx
Publication of NL162721B publication Critical patent/NL162721B/xx
Application granted granted Critical
Publication of NL162721C publication Critical patent/NL162721C/xx

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
    • F04C2/00—Rotary-piston machines or pumps
    • F04C2/08—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing
    • F04C2/12—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type
    • F04C2/14—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type with toothed rotary pistons
    • F04C2/16—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type with toothed rotary pistons with helical teeth, e.g. chevron-shaped, screw type

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Rotary Pumps (AREA)
  • Electromagnetic Pumps, Or The Like (AREA)
  • Details Of Reciprocating Pumps (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Details And Applications Of Rotary Liquid Pumps (AREA)
NL7001705.A 1969-02-12 1970-02-06 Schroefpomp. NL162721C (nl)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT3490169 1969-02-12

Publications (3)

Publication Number Publication Date
NL7001705A NL7001705A (cg-RX-API-DMAC7.html) 1970-08-14
NL162721B NL162721B (nl) 1980-01-15
NL162721C true NL162721C (nl) 1980-06-16

Family

ID=11240777

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7001705.A NL162721C (nl) 1969-02-12 1970-02-06 Schroefpomp.

Country Status (4)

Country Link
US (1) US3667879A (cg-RX-API-DMAC7.html)
DE (1) DE2005996C3 (cg-RX-API-DMAC7.html)
FR (1) FR2032825A5 (cg-RX-API-DMAC7.html)
NL (1) NL162721C (cg-RX-API-DMAC7.html)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2165890B (en) * 1984-10-24 1988-08-17 Stothert & Pitt Plc Improvements in pumps
IT1277541B1 (it) * 1995-09-05 1997-11-11 Nuovo Pignone Spa Pompa a doppia vite perfezionata particolarmente adatta al pompaggio di fluidi bifase in ambiente sottomarino
US6241486B1 (en) 1998-03-18 2001-06-05 Flowserve Management Company Compact sealless screw pump
EP0955466B1 (de) * 1998-04-11 2002-12-18 Joh. Heinr. Bornemann GmbH Spaltringdichtung
JP4282867B2 (ja) * 2000-03-15 2009-06-24 ナブテスコ株式会社 スクリューロータおよびスクリュー機械
DE60138636D1 (de) * 2000-10-18 2009-06-18 Leybold Vakuum Gmbh Mehrstufiger schraubenrotor
FI120549B (fi) * 2006-10-18 2009-11-30 Boildec Oy Menetelmä ja laite soodakattilan pohjan tyhjentämiseen
FI122836B (fi) * 2008-12-05 2012-07-31 Boildec Oy Menetelmä ja laite soodakattilan pohjan tyhjentämiseen
CN102086862A (zh) * 2009-12-02 2011-06-08 三锦机器股份有限公司 螺旋式泵的防扰流结构
CN102182680B (zh) * 2011-06-02 2012-12-26 重庆大学 多级变速螺杆泵
US11268512B2 (en) * 2017-01-11 2022-03-08 Carrier Corporation Fluid machine with helically lobed rotors
EP3816446B1 (fr) * 2019-10-31 2025-07-02 Illinois Tool Works Inc. Circuit de refroidissement d'un vehicule automobile
CN115003911B (zh) * 2019-12-10 2024-06-04 赛科蓬普斯北美有限责任公司 螺杆泵或螺杆机

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1030338A (en) * 1963-09-18 1966-05-18 Hamworthy Pumps & Compressors Improvements in and relating to pumps

Also Published As

Publication number Publication date
NL7001705A (cg-RX-API-DMAC7.html) 1970-08-14
US3667879A (en) 1972-06-06
DE2005996A1 (de) 1970-08-20
FR2032825A5 (cg-RX-API-DMAC7.html) 1970-11-27
DE2005996B2 (cg-RX-API-DMAC7.html) 1980-07-17
NL162721B (nl) 1980-01-15
DE2005996C3 (de) 1981-07-16

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Legal Events

Date Code Title Description
V1 Lapsed because of non-payment of the annual fee