EP0086719A1 - Maschine zum Ansaugen und Abgeben eines Fluidums - Google Patents

Maschine zum Ansaugen und Abgeben eines Fluidums Download PDF

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Publication number
EP0086719A1
EP0086719A1 EP83400301A EP83400301A EP0086719A1 EP 0086719 A1 EP0086719 A1 EP 0086719A1 EP 83400301 A EP83400301 A EP 83400301A EP 83400301 A EP83400301 A EP 83400301A EP 0086719 A1 EP0086719 A1 EP 0086719A1
Authority
EP
European Patent Office
Prior art keywords
fixed
suction
machine according
valve
discharge
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.)
Granted
Application number
EP83400301A
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English (en)
French (fr)
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EP0086719B1 (de
Inventor
Jean Blin
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Individual
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Individual
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Filing date
Publication date
Application filed by Individual filed Critical Individual
Publication of EP0086719A1 publication Critical patent/EP0086719A1/de
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Publication of EP0086719B1 publication Critical patent/EP0086719B1/de
Expired legal-status Critical Current

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    • 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
    • F04B43/00—Machines, pumps, or pumping installations having flexible working members
    • F04B43/02—Machines, pumps, or pumping installations having flexible working members having plate-like flexible members, e.g. diaphragms
    • F04B43/021—Machines, pumps, or pumping installations having flexible working members having plate-like flexible members, e.g. diaphragms the plate-like flexible member is pressed against a wall by a number of elements, each having an alternating movement in a direction perpendicular to the plane of the plate-like flexible member and each having its own driving mechanism

Definitions

  • the present invention relates to a machine for the suction and delivery of a fluid of the type comprising a variable volume chamber which is connected by means of valves, on the one hand, to a suction duct and, d on the other hand, to a discharge conduit, and which is delimited at least by a fixed curved wall as well as by a partition movable relative to said fixed wall and situated opposite it, and control means for bringing together and alternately move the movable partition away from said fixed wall.
  • This type of machine known for example from French patents 2,200,908 and 2,236,382 has the drawback of being very bulky and of low flow rate.
  • the object of the present invention is in particular to produce a machine of the aforementioned type which is of simple construction and design and makes it possible to achieve high flow rates for a relatively small footprint.
  • variable volume chamber is, moreover, delimited by two flat fixed walls which are mutually parallel and perpendicular both to the first curved fixed wall and to the movable partition and tightly enclosing the edges transverse of the latter, that the longitudinal edges of the movable partition are tightly fixed on the corresponding edges of the first curved fixed wall, and that the partition comprises a rigid central portion extending over its entire length between the two transverse walls fixed as well as two lateral parts which are connected on either side of the rigid central part and which are flexible - perpendicular to their longitudinal straight generatrix parallel to the fixed edges, and which are rigid parallel to said straight generators.
  • the volume of the variable volume chamber can be changed quickly and successively between a maximum volume and a minimum volume and without there being any noticeable dead volume.
  • the interior of the machine can be effectively cooled.
  • machine in the context of the present invention any device capable of being used as a gas compressor, gas pressure regulator, liquid pump, vacuum pump etc ...
  • suction valve and the discharge valve are combined to the cylindrical fixed wall of the variable volume chamber and are arranged one behind the other each opposite one of the two passage openings formed in the top or bottom part of said chamber, which these valves comprise each a cylindrical valve seat and a rotary hollow cylindrical valve, one open end of which communicates permanently with the suction pipe or the discharge pipe and of which a lateral light formed in the cylindrical wall of said valve is capable of passing in front of said seat valve which permanently communicates with said passage opening and that the rotation of the two cylindrical valves is synchronized with the stroke of aspi ration and the discharge stroke of the movable partition, so that the suction valve is open during the entire suction stroke and until the end of it and that the discharge valve is open during the second half of the delivery stroke and until the end of it.
  • each machine comprises two parallel flat side walls or fixed flanges 1 and 1 ′ mounted on a base 2.
  • flanges 1,1 ′ are bearings bearings 3 and 3 ′ supporting a drive shaft 4.
  • the first embodiment of the machine (FIG. 1) comprises two series of identical elements, namely: the variable-volume chambers 5 and 6 with their movable partitions 7 and 8 arranged symmetrically with respect to a plane of symmetry PS passing through l 'axis of the shaft 4; said chambers 5 and 6 being equidistant therefrom.
  • Each chamber 5,6 is delimited by a first fixed wall 9 or 10 which, seen from the interior of the chamber 5 or 6, has a concave cylindrical part 9a or 10a which geometrically belongs to the cylinder of revolution whose director is the circle 15 and whose axis coincides with that of the shaft 4 and two adjacent symmetrical convex parts 11 and 13 which lie outside said cylinder or circle 15 and are tangentially connected thereto.
  • Each movable partition 7 or 8 fixed laterally to the edge of the corresponding fixed wall 9 or 10 using screws 12 and 14, has a rigid cylindrical central or central part 17. or 17 'which can be applied to the part concave median 9a or 10a of the fixed curved wall 9 or 10 and two deformable cylindrical lateral parts forming a spring 19 and 21 capable of being applied to the corresponding convex parts 11, 13 of the rigid wall, the central part 17 or 17 'of the partition 7 or 8, seen from the interior of the chamber 5 or 6, being convex and the lateral parts 19 and 21 being concave.
  • Rollers such as 24, driven by the drive shaft 4 by means of eccentrics 26 and bearings 25 make it possible to apply alternately the movable partitions 17, 17 'against the fixed curved walls 9 or 10.
  • rollers 24 roll without friction on the middle part 17,17 'of the partitions 7,8 when they push them back.
  • the deformable and elastic lateral parts 19, 21 of the partitions 7, 8 can be made of several leaf springs superimposed and spaced from each other by a small distance, preferably less than the thickness of the middle part 17.17 ′ of the movable partition 7.8 such as 27 and 27 ′, the number of blades possibly being more than two. This arrangement makes it possible to obtain successive expansion of the gas contained in the chambers 5, 6 and thus to reduce the gas leaks.
  • FIG. 3 which shows a detailed arrangement of the fixed curved walls 9 and 10 of the chambers 5,6 and of the partitions 7,8 is also valid for the first embodiment.
  • the rigid central part 17,17 'of the partitions 7,8 is reinforced by arcs 27,27' perpendicular to the surface of the said partitions and seals 28 and 28 'are carried by the edges of the said partitions and applied to the side flanges by wavy springs not shown.
  • FIG. 2 which represents in cross section perpendicular to the axis a second embodiment of the machine, there are the fixed curved walls 9 and 10 and the movable partitions 7 and 8 delimiting the variable volume chambers 5 and 6 but the means control panels used to apply said partitions against the fixed walls are different.
  • rollers 24 of FIG. 1 are replaced here by two series of rollers 29 and 30 mounted on a longitudinal shaft 33 carried by support arms 32 keyed onto the shaft 4.
  • the position of the diametrically opposite support arms 32 and turning clockwise, position shown in solid lines in FIG. 2 corresponds to the end of the suction and the start of compression for the two chambers 5 and 6.
  • the position of the support arms 32, the rollers 29 and 30 and the movable partitions 7 and 8 shown in dotted lines in FIG. 2 corresponds to the end of the evacuation of the compressed fluid and to the start of the suction for the two chambers 5 and 6.
  • This second embodiment allows perfect balancing with respect to the drive shaft 4 of the forces developed during the operation of the machine.
  • the discharge of the compressed fluid is effected by lateral orifices 34 communicating with grooves 34 ′ formed in each of the fixed curved walls 9 and 10, the orifices 34 being formed in the flanges 1 and 1 'in the tangential connection zone of the lateral convex parts 11 and 13 of the fixed curved wall 9 or 10 to the central part 9a or 10a merged with the base cylinder 15 (FIGS. 1 and 2).
  • These orifices 34 are two in number per lateral flange 1.1 ′ and are diametrically opposite in machines of the two types (fig. 1 and 2).
  • valves constituted for example by rotating discs placed at each end of the machine next to the corresponding flange 1.1 ′.
  • These rotating discs 35 and 36 are fixed on the motor shaft 4, one used for controlling the suction, the other for controlling the delivery of the fluid.
  • This disc 36 is shown in FIG. 4, it comprises two oblong openings 37 shaped in an arc of a circle and diametrically opposite which ensure the delivery into the collecting chamber 38 (FIG. 3) when they pass opposite the orifices 34.
  • the seal between the orifices 34 of the flanges 1 and 1 'and the rotating disc 35 or 36 is provided by spring seals not shown.
  • the disc 35 (not shown in FIG. 4) has two diametrically opposite oblong openings 39 (larger in size than those of the disc 36 and shown in dotted lines in FIG. 2) which allow the suction of the fluid to from the suction chamber 51 when these lights 39 pass opposite one of the corresponding intake openings 40 formed in the flange 1 inside the circle 15 at the level of the chambers 5,6 in the maximum suction position . Due to the large passage section between the suction chamber 51 and the variable volume chambers 5,6 these can be filled very quickly.
  • each variable volume chamber 5 or 6 is associated with a suction valve 54 and a discharge valve 55 which are both arranged along the cylindrical top or bottom of said chamber 5 or 6.
  • the concave cylindrical middle part 9a or 10a of the fixed wall 9 or 10 has at its top or bottom two pitch openings sage 56, 57 which, preferably, are aligned one behind the other and extend, by their longitudinal edges, parallel to the axis of the drive shaft 4.
  • Each hollow rotary valve 62, 63 has at least one open end 66, 67 by means of which its interior communicates permanently with the suction chamber 64 and the suction duct or with the discharge chamber 65 and its discharge duct.
  • the rotary valve 62, 63 also has a lateral opening 68, 69 formed in its cylindrical wall and having two longitudinal edges parallel to the axis of the cylindrical valve 62, 63.
  • Each of the lateral openings 68, 69 is capable of passing for a determined period in front of the valve seat 60 or 61 and the corresponding passage opening 56 or 57, so that during a rotation of the valve 62 or 63, the variable volume chamber 5, 6 is successively connected to the suction chamber 64 and its suction duct and to the discharge chamber 65 and its discharge duct.
  • the cross sections of the fluid passages with constant surface are at least equal to those of the passage openings 56, 57 and the adjacent valve seats 60, 61.
  • valves 62 and 63 associated with the same variable volume chamber 5 or 6 on the same axis parallel to the drive shaft 4 and correspondingly arranging the other elements of the suction 54 and discharge 55 valves, such as casings 58 , 59 and valve seats 60.61.
  • the two rotary valves 62, 63 have the same diameter and are arranged on the same control shaft 70 housed in a sealed manner in bearings 71, 72, 73 provided in the side walls and an intermediate partition 74 of the housings 58 , 59 valves 54,55.
  • a pulley or chain wheel 75, 76 is keyed onto the control shaft 70 and cooperates by means of an endless belt or chain 77, 78 with a pulley or chain wheel drive 79.80 keyed onto the drive shaft 4.
  • the transmission ratio between the drive shaft 4 acting on the movable partition, for example 7, 8, of a volume chamber variable for example 5.6, and the control shaft 70 of the suction 54 and discharge 55 valves corresponding to said chamber 5 or 6 is chosen according to the number of variable volume chambers controlled by the same shaft drive 4 and so that each variable volume chamber is connected to the suction chamber 64 during the entire suction stroke of the corresponding movable partition and then is connected to the discharge chamber 65 or else throughout the stroke of discharge of said movable partition when the latter displaces an improper fluid sible, or during the end of the delivery stroke when the delivery fluid is compressible.
  • the transmission ratio is 2, so that for a half-turn of the drive shaft 4, the control shaft 70 of the suction 54 and discharge 55 valves makes a full turn.
  • the length of the two valves 62 and 63 is chosen so that the housings 58, 59 which house them do not extend beyond the lateral flanges 1,1 'of the machine and that there remains in front of the open end 66, 67 of each valve 62, 63 in the suction chamber 64 or discharge 65 a sufficient passage section at least equal to that of the passage openings 56, 57 of the chamber with corresponding variable volume 5 or 6.
  • the cylindrical wall of the valve 62, 63 rests on the control shaft 70 by means of a closed bottom 81, 82 and, at its open end 66, 67, said cylindrical wall is supported on the control shaft 70 by means of several spokes or bracing bars 83, 84.
  • the width of the passage openings 56, 57 is chosen so that, projected onto the periphery of a cylindrical valve 62, 63, it does not exceed an angle opening of 60 °.
  • the opening angle ⁇ of the valve seat 60 of the suction valve 54 is equal to 60 °.
  • the opening angle ⁇ of the valve seat 61 of the discharge valve 55 is also equal to 60 ° when the fluid to be discharged is incompressible.
  • the opening angle B of the valve seat 61 of the discharge valve 55 is less than the opening angle a and, in this case, is equal to 45 °.
  • the longitudinal edges of the passage opening 57 and the corresponding valve seat 61 may be, if necessary, longer than the longitudinal edges of the passage opening 56 and the corresponding valve seat 60 .
  • the suction chamber 64 and the discharge chamber 65 have a semi-cylindrical shape which receives, without significant play, the corresponding cylindrical valve 62,63 projecting in length from on both sides the valve seat 60.61.
  • the lateral lumen 68 provided in the cylindrical wall of the suction valve 62 corresponds in length exactly to that of the corresponding valve seat 60 and in width to an opening angle which is twice the opening angle a of the seat suction valve 60, that is to say 120 ° in this case.
  • the suction stroke of the movable partition 7 or 8 corresponds to a half-turn of the control shaft 70
  • the sum of the opening angles of the suction valve seat 60 and the light lateral 68 of the suction valve 62 is at most equal to 180 °, as is the case of the present embodiment. This also applies to the discharge valve 55 when the fluid to be transported is incompressible.
  • the lateral lumen 69 has longitudinal edges of a length equal to that of the longitudinal edges of the discharge valve seat 61 but greater than the length of the longitudinal edges of the suction port 68 and the suction valve seat 60, and, on the other hand, the opening angle of the discharge port 69 is equal to that (8) of the discharge valve seat 61 and the sum of these two opening angles is less than 180 ° in the case of the present embodiment, and a generally, at an angle of rotation of the control shaft 70 corresponding to the delivery stroke of the movable partition 7 or 8.
  • the shaft 70 of these valves is not only connected by a constant ratio transmission 75, 77 and 79 or 76, 78 and 80 to the drive shaft 4 of the movable partition 7 or 8, but the valves 62 and 63 are also keyed on the same control shaft 70, so that the longitudinal edges of their side lights 68 and 69 are angularly offset from each other.
  • the angular offset between the rear longitudinal edge 85 of. the suction port 68 and the front longitudinal edge 86 of the discharge port 69 - taken in the direction of rotation F of the control shaft 70 - is equal to the opening angle a of the valve seat 60.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Applications Or Details Of Rotary Compressors (AREA)
EP83400301A 1982-02-16 1983-02-14 Maschine zum Ansaugen und Abgeben eines Fluidums Expired EP0086719B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8202506 1982-02-16
FR8202506A FR2521649A1 (fr) 1982-02-16 1982-02-16 Machine pour l'aspiration et le refoulement d'un fluide

Publications (2)

Publication Number Publication Date
EP0086719A1 true EP0086719A1 (de) 1983-08-24
EP0086719B1 EP0086719B1 (de) 1986-09-17

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EP83400301A Expired EP0086719B1 (de) 1982-02-16 1983-02-14 Maschine zum Ansaugen und Abgeben eines Fluidums

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US (1) US4509410A (de)
EP (1) EP0086719B1 (de)
DE (1) DE3366172D1 (de)
FR (1) FR2521649A1 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103629091A (zh) * 2013-12-03 2014-03-12 深圳市聚友缘电子科技有限公司 一种旋液泵

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10051097C2 (de) * 2000-08-17 2002-11-28 Krone Gmbh Elektrischer Steckverbinder
US10047738B2 (en) * 2013-11-25 2018-08-14 General Electric Company Downhole radially actuated longitudinal diaphragm pump

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1458098A (fr) * 1964-12-24 1966-11-10 Système volumétrique rotatif avec chambres hermétiquement fermées
FR2437510A1 (fr) * 1978-09-28 1980-04-25 Mac Carry John Perfectionnement a une pompe a membrane double

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US722259A (en) * 1902-07-18 1903-03-10 Frank Henry Sleeper Engine.
US3152340A (en) * 1960-11-28 1964-10-13 Interscience Res Inst Artificial heart
IT1005170B (it) * 1972-11-01 1976-08-20 Kagi B Dispositivo d azionamento per ottenere un movimento oscillatorio o rotatorio per azione di un fluido liquido o gassoso sotto pressione

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1458098A (fr) * 1964-12-24 1966-11-10 Système volumétrique rotatif avec chambres hermétiquement fermées
FR2437510A1 (fr) * 1978-09-28 1980-04-25 Mac Carry John Perfectionnement a une pompe a membrane double

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103629091A (zh) * 2013-12-03 2014-03-12 深圳市聚友缘电子科技有限公司 一种旋液泵
CN103629091B (zh) * 2013-12-03 2016-02-03 深圳市聚友缘电子科技有限公司 一种旋液泵

Also Published As

Publication number Publication date
FR2521649A1 (fr) 1983-08-19
US4509410A (en) 1985-04-09
DE3366172D1 (en) 1986-10-23
EP0086719B1 (de) 1986-09-17
FR2521649B1 (de) 1984-05-25

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