EP2551521A3 - Pump - Google Patents

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Info

Publication number
EP2551521A3
EP2551521A3 EP12177655.3A EP12177655A EP2551521A3 EP 2551521 A3 EP2551521 A3 EP 2551521A3 EP 12177655 A EP12177655 A EP 12177655A EP 2551521 A3 EP2551521 A3 EP 2551521A3
Authority
EP
European Patent Office
Prior art keywords
piston
uniform
cylinders
power transmission
transmission system
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.)
Withdrawn
Application number
EP12177655.3A
Other languages
German (de)
French (fr)
Other versions
EP2551521A2 (en
Inventor
Phil Chan Rha
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.)
Philtec Co Ltd
Original Assignee
Philtec Co Ltd
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
Priority claimed from KR1020110075023A external-priority patent/KR101305394B1/en
Priority claimed from KR1020120026107A external-priority patent/KR101305395B1/en
Application filed by Philtec Co Ltd filed Critical Philtec Co Ltd
Publication of EP2551521A2 publication Critical patent/EP2551521A2/en
Publication of EP2551521A3 publication Critical patent/EP2551521A3/en
Withdrawn legal-status Critical Current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
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B9/00—Piston machines or pumps characterised by the driving or driven means to or from their working members
    • F04B9/02—Piston machines or pumps characterised by the driving or driven means to or from their working members the means being mechanical
    • 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
    • F04C11/00—Combinations of two or more machines or pumps, each being of rotary-piston or oscillating-piston type; Pumping installations
    • F04C11/001—Combinations of two or more machines or pumps, each being of rotary-piston or oscillating-piston type; Pumping installations of similar working principle
    • 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
    • F04C2/02—Rotary-piston machines or pumps of arcuate-engagement type, i.e. with circular translatory movement of co-operating members, each member having the same number of teeth or tooth-equivalents
    • F04C2/06—Rotary-piston machines or pumps of arcuate-engagement type, i.e. with circular translatory movement of co-operating members, each member having the same number of teeth or tooth-equivalents of other than internal-axis 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
    • F04C29/0042—Driving elements, brakes, couplings, transmissions specially adapted for pumps

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Reciprocating Pumps (AREA)
  • Rotary Pumps (AREA)
  • Electromagnetic Pumps, Or The Like (AREA)

Abstract

A double action rotary pump forcibly delivers fluid such as liquid or gas. A transmission unit operates at uniform or non-uniform angular speeds using driving force transmitted from a motor via a power transmission system. An operating unit is provided in series with the transmission unit. A piston of the operating unit has a pair of heads, which rotate at non-uniform angular speeds in a counteracting fashion while maintaining the distance between shafts, and divides the spaces inside cylinders. The volumes of the divided spaces of the cylinders are repeatedly and alternately contracted and expanded in response to the rotation of the piston, so that the cylinders counteractively and continuously perform intake and exhaust operations, thereby forcibly delivering fluid. The structure of the power transmission system is improved such that the sum of flow rates that are pumped by the piston at a predetermined time point stays uniform.
EP12177655.3A 2011-07-28 2012-07-24 Pump Withdrawn EP2551521A3 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020110075023A KR101305394B1 (en) 2011-07-28 2011-07-28 Pump
KR1020120026107A KR101305395B1 (en) 2012-03-14 2012-03-14 Pump

Publications (2)

Publication Number Publication Date
EP2551521A2 EP2551521A2 (en) 2013-01-30
EP2551521A3 true EP2551521A3 (en) 2013-12-25

Family

ID=46603597

Family Applications (1)

Application Number Title Priority Date Filing Date
EP12177655.3A Withdrawn EP2551521A3 (en) 2011-07-28 2012-07-24 Pump

Country Status (3)

Country Link
US (1) US20130028779A1 (en)
EP (1) EP2551521A3 (en)
CN (1) CN102979719A (en)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1041606A (en) * 1912-02-27 1912-10-15 Emil Dembowsky Engine.
CH282182A (en) * 1946-10-07 1952-04-15 Eureka Williams Corp Pump.
JPS58152189A (en) * 1982-03-08 1983-09-09 Kazuichi Ito Pulsation-free rotary pump
US5704774A (en) * 1994-05-11 1998-01-06 Rha; Phil Chan Pump with twin cylindrical impellers
WO1998021478A1 (en) * 1996-11-11 1998-05-22 Phil Chan Rha Twin-cylinder impeller pump

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20030010453A (en) * 2001-07-24 2003-02-05 이기만 Positive displacement pump having a pair of pumping chambers and method of assembling thereof
KR20070006444A (en) * 2005-07-08 2007-01-11 삼성테크윈 주식회사 Method of forming bumps and apparatus of arraying conductivity ball
KR20070064444A (en) * 2005-12-17 2007-06-21 나필찬 Non pulsation twin pump
US8042331B2 (en) * 2008-04-01 2011-10-25 GM Global Technology Operations LLC On-demand hydraulic pump for a transmission and method of operation

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1041606A (en) * 1912-02-27 1912-10-15 Emil Dembowsky Engine.
CH282182A (en) * 1946-10-07 1952-04-15 Eureka Williams Corp Pump.
JPS58152189A (en) * 1982-03-08 1983-09-09 Kazuichi Ito Pulsation-free rotary pump
US5704774A (en) * 1994-05-11 1998-01-06 Rha; Phil Chan Pump with twin cylindrical impellers
WO1998021478A1 (en) * 1996-11-11 1998-05-22 Phil Chan Rha Twin-cylinder impeller pump

Also Published As

Publication number Publication date
CN102979719A (en) 2013-03-20
EP2551521A2 (en) 2013-01-30
US20130028779A1 (en) 2013-01-31

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