NL7001705A - - Google Patents

Info

Publication number
NL7001705A
NL7001705A NL7001705A NL7001705A NL7001705A NL 7001705 A NL7001705 A NL 7001705A NL 7001705 A NL7001705 A NL 7001705A NL 7001705 A NL7001705 A NL 7001705A NL 7001705 A NL7001705 A NL 7001705A
Authority
NL
Netherlands
Application number
NL7001705A
Other versions
NL162721C (nl
NL162721B (nl
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 filed Critical
Publication of NL7001705A publication Critical patent/NL7001705A/xx
Publication of NL162721B publication Critical patent/NL162721B/nl
Application granted granted Critical
Publication of NL162721C publication Critical patent/NL162721C/nl

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 true NL7001705A (nl) 1970-08-14
NL162721B NL162721B (nl) 1980-01-15
NL162721C 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 (nl)
DE (1) DE2005996C3 (nl)
FR (1) FR2032825A5 (nl)
NL (1) NL162721C (nl)

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
DK0955466T3 (da) * 1998-04-11 2003-03-03 Bornemann J H Gmbh Tætning til ringformet spalte
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
WO2018132601A1 (en) * 2017-01-11 2018-07-19 Carrier Corporation Fluid machine with helically lobed rotors
EP3816446A1 (fr) * 2019-10-31 2021-05-05 Illinois Tool Works Inc. Circuit de refroidissement d'un vehicule automobile
US20230013936A1 (en) * 2019-12-10 2023-01-19 Circor Pumps North America, Llc. Screw pump or machine

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
FR2032825A5 (nl) 1970-11-27
DE2005996C3 (de) 1981-07-16
DE2005996A1 (de) 1970-08-20
NL162721C (nl) 1980-06-16
US3667879A (en) 1972-06-06
DE2005996B2 (nl) 1980-07-17
NL162721B (nl) 1980-01-15

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Legal Events

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