WO2004036050A1 - Dispositif de deplacement de fluide - Google Patents

Dispositif de deplacement de fluide Download PDF

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Publication number
WO2004036050A1
WO2004036050A1 PCT/ZA2003/000154 ZA0300154W WO2004036050A1 WO 2004036050 A1 WO2004036050 A1 WO 2004036050A1 ZA 0300154 W ZA0300154 W ZA 0300154W WO 2004036050 A1 WO2004036050 A1 WO 2004036050A1
Authority
WO
WIPO (PCT)
Prior art keywords
fluid
flow path
displacement device
fluid displacement
cycle
Prior art date
Application number
PCT/ZA2003/000154
Other languages
English (en)
Inventor
Willem Richter Da Veiga
Josua Petrus Meyer
Original Assignee
Rand Afrikaans University
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 Rand Afrikaans University filed Critical Rand Afrikaans University
Priority to AU2003277462A priority Critical patent/AU2003277462A1/en
Publication of WO2004036050A1 publication Critical patent/WO2004036050A1/fr

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
    • F04C2/18—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 similar tooth forms
    • 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
    • F04C15/00—Component parts, details or accessories of machines, pumps or pumping installations, not provided for in groups F04C2/00 - F04C14/00
    • F04C15/0096—Heating; Cooling
    • 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
    • F04C18/00—Rotary-piston pumps specially adapted for elastic fluids
    • F04C18/08—Rotary-piston pumps specially adapted for elastic fluids of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing
    • F04C18/12—Rotary-piston pumps specially adapted for elastic fluids of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type
    • F04C18/126—Rotary-piston pumps specially adapted for elastic fluids 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 radially from the rotor body extending elements, not necessarily co-operating with corresponding recesses in the other rotor, e.g. lobes, Roots type
    • 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
    • F04C2/082—Details specially related to intermeshing engagement type machines or pumps
    • F04C2/084—Toothed wheels
    • 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
    • F04C2/082—Details specially related to intermeshing engagement type machines or pumps
    • F04C2/086—Carter
    • 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
    • F04C2/10—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of internal-axis type with the outer member having more teeth or tooth-equivalents, e.g. rollers, than the inner member
    • F04C2/107—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of internal-axis type with the outer member having more teeth or tooth-equivalents, e.g. rollers, than the inner member with helical teeth
    • F04C2/1071—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of internal-axis type with the outer member having more teeth or tooth-equivalents, e.g. rollers, than the inner member with helical teeth the inner and outer member having a different number of threads and one of the two being made of elastic materials, e.g. Moineau type
    • 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
    • F04C29/04—Heating; Cooling; Heat insulation

Definitions

  • THIS invention relates to a fluid displacement device. More specifically, this
  • invention relates to a fluid displacement device such as a pump or fan having a heat
  • Heat pumps and air conditioning systems are well known. Heat pumps and/or
  • refrigeration systems consist of a
  • compressor a condenser, an expansion valve, and an evaporator.
  • a fluid displacement device comprising:
  • a moveable fluid displacement member for moving fluid along a first fluid flow path
  • the fluid displacement device may be a fan or a pump.
  • the second flow path may be a fan or a pump.
  • the first or second flow paths may incorporate fins, vanes or any other heat transfer mechanisms to enhance the transfer
  • the fluid displacement device may include a casing.
  • the second fluid flow path may be
  • the fluid displacement member may displace fluid by means of positive
  • the fluid being displaced by the fluid displacement device may be a liquid, gas,
  • vapour a flowable fluid or product that can be pumped.
  • the fluid displacement device may be in the form of a rotary lobe pump.
  • the rotary lobe pump may be in the form of a rotary lobe pump.
  • the lobe pump may have a casing and a set of rotating lobes.
  • the casing may include a
  • path may be incorporated into the front and/or back cover, central casing portion or into a lobe.
  • thermo dynamic cycle including
  • thermo dynamic cycles In one arrangement according to the above aspect, a pair of thermo dynamic cycles
  • a first cycle may comprise a compressor
  • a condenser, an expansion valve and an evaporator may comprise
  • thermo-dynamic cycle may comprise a compressor, a condenser, an
  • Figure 1 is a schematic perspective view of a fluid displacement device in
  • FIG. 2 is a schematic perspective view of the pump in Figure 1 , with the
  • FIG. 3 is a schematic perspective view of the pump in Figure 1, with the
  • Figure 4 is a schematic perspective view of a lobe from a rotary lobe pump in
  • Figure 5 is a schematic perspective view of the central portion of the casing of
  • Figure 6 is a schematic sectioned elevation of a monotype positive
  • FIG. 7 is a schematic illustration of an air source hot water heat pump having
  • Figure 8 is a graphic representation of the temperature/entropy of the cycles
  • a fluid displacement device is illustrated in Figures 1 to 5.
  • the device comprises a rotary lobe pump 10 being an outer casing 13; two rotating
  • a second fluid flow path (indicated by arrows B) in the form of a groove 19 is
  • the grooves 19 are covered by a covering plate 24 (as shown in
  • the second separate pathway B 1 is thus defined within the lobes and an inlet of such
  • cold water could be moved along
  • heated steam could flow through the second pathway Bl to be condensed after
  • a first primary flow path through the rotary lobe pump shown by arrows A2, is the same as that shown in
  • Figure 1 having an inlet 216 thereto and an outlet 218. In this instance also for
  • example cold water could pass along the first or primary path A2 and the steam along
  • Figure 8 is a schematic illustration of a monotype pump 30 wherein a spirally formed
  • rotor 31 rotates in a casing 32 with a complimentary spiral configuration 33 to the
  • the rotation of a fan causes air to move through the blades of the fan forming a first flow path while channels are incorporated into the blades of the fan to
  • the channels have an inlet and an outlet and are covered to
  • water may be
  • FIG. 8 illustrates a practical application of a pump in accordance with the invention
  • refrigeration cycle 30 comprises a compressor 32, a condenser 33, an expansion valve
  • the latter 35 may include a fan 36 for driving cold air
  • the second heated water cycle 31 is characterised in that it utilises the
  • the pump 37 of the invention thus serves
  • a prime objection of the invention is to improve the heat transfer efficiency in a

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)

Abstract

L'invention a trait à un dispositif de déplacement de fluide comprenant : un élément de déplacement de fluide permettant de déplacer ledit fluide le long d'une première voie d'acheminement de fluide ; une seconde voie d'acheminement de fluide intégrée dans le dispositif de déplacement de fluide et étant en communication avec la première voie d'acheminement de fluide à des fins de transfert de chaleur.
PCT/ZA2003/000154 2002-10-17 2003-10-17 Dispositif de deplacement de fluide WO2004036050A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU2003277462A AU2003277462A1 (en) 2002-10-17 2003-10-17 Fluid displacement device

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ZA200208400 2002-10-17
ZA2002/8400 2002-10-17

Publications (1)

Publication Number Publication Date
WO2004036050A1 true WO2004036050A1 (fr) 2004-04-29

Family

ID=32108531

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/ZA2003/000154 WO2004036050A1 (fr) 2002-10-17 2003-10-17 Dispositif de deplacement de fluide

Country Status (2)

Country Link
AU (1) AU2003277462A1 (fr)
WO (1) WO2004036050A1 (fr)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102012104736A1 (de) * 2012-05-31 2013-12-05 ipp Pump Products GmbH Drehkolbenpumpe
DE102012213735A1 (de) * 2012-08-02 2014-02-27 Robert Bosch Gmbh Pumpe, insbesondere Verdrängerpumpe
CN104963851A (zh) * 2015-06-16 2015-10-07 合肥高益机电科技有限公司 一种液压油泵前盖
WO2017046197A1 (fr) * 2015-09-15 2017-03-23 Avl List Gmbh Dispositif pouvant être refroidi servant à mesurer des processus d'écoulement de fluides
CN108027269A (zh) * 2015-09-15 2018-05-11 Avl列表有限责任公司 用于测量流体的通流过程的可冷却的装置

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB580064A (en) * 1944-04-27 1946-08-26 George Godfrey & Partners Ltd Improvements in or relating to blowers of the roots and similar type
GB625490A (en) * 1946-07-11 1949-06-29 Roots Connersville Blower Corp Improvements in or relating to pumps of the rotary displacement type
CH371856A (de) * 1958-07-07 1963-09-15 Micafil Ag Roots-Vakuumpumpe
US4955352A (en) * 1986-02-26 1990-09-11 Aisin Seiki Kabushiki Kaisha Combined supercharger and supercharger coolant pump for an internal combustion engine
JPH03164592A (ja) * 1990-11-07 1991-07-16 Hitachi Ltd スクリユー流体機械のロータ冷却装置
DE4232119A1 (de) * 1992-09-25 1994-03-31 Mes Und Regeltechnik Geraeteba Regelung einer Wälzkolbenpumpe
DE4413818A1 (de) * 1994-04-20 1995-10-26 Artemis Kautschuk Kunststoff Exzenterschneckenpumpe

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB580064A (en) * 1944-04-27 1946-08-26 George Godfrey & Partners Ltd Improvements in or relating to blowers of the roots and similar type
GB625490A (en) * 1946-07-11 1949-06-29 Roots Connersville Blower Corp Improvements in or relating to pumps of the rotary displacement type
CH371856A (de) * 1958-07-07 1963-09-15 Micafil Ag Roots-Vakuumpumpe
US4955352A (en) * 1986-02-26 1990-09-11 Aisin Seiki Kabushiki Kaisha Combined supercharger and supercharger coolant pump for an internal combustion engine
JPH03164592A (ja) * 1990-11-07 1991-07-16 Hitachi Ltd スクリユー流体機械のロータ冷却装置
DE4232119A1 (de) * 1992-09-25 1994-03-31 Mes Und Regeltechnik Geraeteba Regelung einer Wälzkolbenpumpe
DE4413818A1 (de) * 1994-04-20 1995-10-26 Artemis Kautschuk Kunststoff Exzenterschneckenpumpe

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 0154, no. 00 (M - 1167) 11 October 1991 (1991-10-11) *

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102012104736A1 (de) * 2012-05-31 2013-12-05 ipp Pump Products GmbH Drehkolbenpumpe
DE102012104736B4 (de) * 2012-05-31 2016-02-04 ipp Pump Products GmbH Drehkolbenpumpe
DE102012213735A1 (de) * 2012-08-02 2014-02-27 Robert Bosch Gmbh Pumpe, insbesondere Verdrängerpumpe
CN104963851A (zh) * 2015-06-16 2015-10-07 合肥高益机电科技有限公司 一种液压油泵前盖
WO2017046197A1 (fr) * 2015-09-15 2017-03-23 Avl List Gmbh Dispositif pouvant être refroidi servant à mesurer des processus d'écoulement de fluides
CN108027269A (zh) * 2015-09-15 2018-05-11 Avl列表有限责任公司 用于测量流体的通流过程的可冷却的装置
US10816379B2 (en) 2015-09-15 2020-10-27 Avl List Gmbh Coolable device for measuring through-flow processes of fluids

Also Published As

Publication number Publication date
AU2003277462A1 (en) 2004-05-04

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