EP1041280A1 - Pompe d'exhaure - Google Patents
Pompe d'exhaure Download PDFInfo
- Publication number
- EP1041280A1 EP1041280A1 EP00400831A EP00400831A EP1041280A1 EP 1041280 A1 EP1041280 A1 EP 1041280A1 EP 00400831 A EP00400831 A EP 00400831A EP 00400831 A EP00400831 A EP 00400831A EP 1041280 A1 EP1041280 A1 EP 1041280A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- rod
- pump according
- pump
- toothed wheels
- connecting rods
- 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
Links
Images
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
- F04B47/00—Pumps or pumping installations specially adapted for raising fluids from great depths, e.g. well pumps
- F04B47/02—Pumps or pumping installations specially adapted for raising fluids from great depths, e.g. well pumps the driving mechanisms being situated at ground level
-
- 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
- F04B9/14—Pumps characterised by muscle-power operation
-
- 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
- F04B17/00—Pumps characterised by combination with, or adaptation to, specific driving engines or motors
- F04B17/03—Pumps characterised by combination with, or adaptation to, specific driving engines or motors driven by electric motors
-
- 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
- F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
- F04B53/006—Crankshafts
-
- 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
- F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
- F04B53/22—Arrangements for enabling ready assembly or disassembly
-
- 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
- F04B9/025—Driving of pistons coacting within one cylinder
-
- 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
- F04B43/08—Machines, pumps, or pumping installations having flexible working members having tubular flexible members
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T74/00—Machine element or mechanism
- Y10T74/18—Mechanical movements
- Y10T74/18056—Rotary to or from reciprocating or oscillating
- Y10T74/18176—Crank, pitman, lever, and slide
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T74/00—Machine element or mechanism
- Y10T74/18—Mechanical movements
- Y10T74/18056—Rotary to or from reciprocating or oscillating
- Y10T74/18208—Crank, pitman, and slide
Definitions
- the present invention relates to a pump dewatering to draw water from an underground aquifer, pump comprising a tube connecting the surface to the water table to pump, a rod carrying the pistons, connected to a mechanism drive installed on the surface to communicate with the rod a back and forth pumping movement.
- the object of the present invention is to remedy some of the disadvantages of known dewatering pumps, and proposes to realize a means of training and guidance as simple as possible, hardly subject to wear even in very difficult operating conditions as in a atmosphere charged with sand or dust, and allowing a very regular and smooth training of the rod pumping.
- the symmetrical arrangement of the means of drive according to a symmetry with respect to the axis of the rod ensures guiding of the pump rod in the plane of symmetry and necessarily maintain the pump head in this plane of symmetry.
- the training device is extremely simple and once set, it can no longer go wrong, at least for the geometry of the rod trajectory.
- the stroke of the rod is adjusted according to the arm hinge point lever at one end of each connecting rod with respect to the center of rotation of the toothed wheels.
- Such a pump can be driven by a crank, by hand, or by a motor, in particular an electric motor powered by a solar cell or by a group generator in the case of an electric motor.
- the link with the driving organ is a belt or chain.
- Such a machine used as a pump driven by a motor can also work as a motor supplied with pressurized fluid.
- the invention relates a dewatering pump comprising a tube 1, fitted with a spout outlet 2 to deliver the water pumped into an underground aquifer.
- This dewatering tube 1 receives a rod 3 carrying pistons not shown.
- Rod 3 goes back and forth and comes (double arrow A) to descend into the water table and raises, in stages, a certain amount of water which will be poured out through spout 2 into a container 4.
- This rod 3 is driven by a mechanism housed in a case 5 mounted on a leg 6.
- the case 5 accommodates two identical toothed wheels 7, 8, and mounted for rotation on symmetrical positions with respect to the ZZ direction of the path of the rod 3.
- the two toothed wheels 7, 8 mesh with each other so as to turn in one direction opposite rotation.
- the rotation of the two toothed wheels 7, 8 is ensured by a drive unit consisting either of a crank wheel 9 (fig. 1) either by a motor 10 connected to one of the wheels by a belt 11 (fig. 2).
- Two identical connecting rods 12, 13 connect the head of the rod 3, by articulations carried by a piece of link 14, at articulation points carried by the wheels teeth 7, 8. These articulation points 71, 81 occupy symmetrical positions with respect to the ZZ direction of the trajectory of the rod 3 when the wheels 7, 8 are meshed.
- the connecting rods 12, 13 are driven by the wheels 7, 8, following a symmetrical movement relative to the direction ZZ. This movement results in a translational movement back and forth from rod 3, i.e. a movement pumping.
- Figure 1 shows the variant of the pump with a crank wheel 9 and FIG. 2 the variant with a motor 10 and a strap 11. In both cases, there is a flywheel of inertia 15 to stabilize the rotational movement. This steering wheel does not appear in Figure 1.
- the head of the rod 3 is hooked to the two connecting rods 12, 13 which act in traction, the opposing force being the weight rod 3, pistons and pumped water.
- Figure 3 shows an alternative embodiment in which the toothed wheels 7A, 8A mesh as before and are identical, mounted symmetrically on two axes 72A, 82A symmetrical with respect to the passing plane ZZ by the rod 3A of the dewatering pump whose tube carries the reference 1A.
- This figure shows the connecting piece 14A to which are articulated the heads 121A, 131A of the connecting rods 12A, 13A and the head 31A of the rod 3A.
- the connecting rods 12A, 13A do not pull the rod 3A but push it, the wheels 7A, 8A and the connecting rods 12A, 13A being placed below the head 14A carried by the connecting rod 3A.
- This training is done also by a 10A motor transmitting its movement by a belt or chain 11A passing over a pulley 12A simply sketched.
- the articulation points 71A, 81A of the connecting rods 12A, 13A are adjustable in the radial direction of the wheels teeth 7A, 8A, which allows the length of the stroke induced in the head 14A and consequently in the rod 3A.
- the drive mechanism of the rod 3B of the dewatering tube 1B consists of two toothed wheels identical 7B, 8B mounted on symmetrical axes 72B, 82B with respect to the path ZZ of the rod 3B. These two cogwheels 7B, 8B mesh to rotate in opposite directions.
- the drive means such as the crank carried by a flywheel associated with one of the cogwheels or a motor with a transmission by chain or belt, are not shown.
- the mechanism includes means of transmission symmetrical up to rod 3B.
- the transmission of movement is done by two connecting rods 12B, 13B, articulated in 71B and 81B in positions symmetrical to the gear wheels 7B, 8B.
- These connecting rods 12B, 13B are connected by a joint not referenced, each with a lever 14B, 15B mounted around a respective pivot 16B, 17B.
- the other end of levers 14B, 15B is connected in an articulated manner by a link 18B, 19B to rod 3B.
- the back and forth movement of the rod 3B is shown by a double arrow.
- the third variant of the invention for the mechanism for driving the 3C rod in the dewatering tube 1C, consists of two toothed wheels 7C, 8C, identical and mounted on symmetrical axes 72C, 82C with respect to the plane ZZ of displacement of rod 3C. These cogwheels, identical mesh to rotate in opposite directions. These cogwheels are driven by a drive means such as a crank carried by a flywheel or a motor with a link by chain belt, not shown.
- the transmission of the movement towards the rod 3C is made by means symmetrical with respect to the plane ZZ.
- These means consist of a connecting rod 12C, 13C connected to the rod 3C by 18C, 19C rods or by a connecting piece such as parts 14, 14A described above.
- Connecting rods 12C, 13C are connected to the toothed wheels 7C, 8C by levers 14C, 15C one end of which is hinged to the corresponding end of each connecting rod 12C, 13C and the other end of which is connected via a slide 141C, 151C to a pivot 71C, 81C secured to each of the toothed wheels 7C, 8C.
- the pivots 71C, 81C are carried in fixed positions and symmetrical on the two gears.
- pivots 71C, 81C constitute rollers sliding relatively in the slides 141C, 151C when the toothed wheels 7C, 8C rotate to induce an alternative pivoting movement in levers 14C, 15C.
- These levers pivot themselves on pivots 142C, 152C.
- the up and down movement of the rod 3C is shown diagrammatically by a double arrow.
- the part 14D to which are connected the connecting rods 12D, 13D driven by example via the 11D belt from the 10D motor is fixed to two sets of connecting rods and lever, symmetrical.
- This transmission assembly connecting the plate 14D to the 3D rod is made up in the left part of the figure, a 30D connecting rod articulated to the 14D plate and to a lever elbow of the first kind with two arms 31D, 34D mounted around a fixed pivot 33D.
- the arm 31D passing through the pivot 33D is connected to the bracket, to the arm 31D beyond the pivot 33D.
- the arm 31D is articulated to the rod 30D by through the 32D joint and the 34D arm is connected to a 36D connecting rod via a joint 35D.
- the 36D connecting rod is connected by the 37D joint to the 3D rod.
- this part consists a first connecting rod 40D connected to the plate 14D and by a 42D articulation with a lever of the first kind with two arms 41D, 44D, the first arm 41D of which passes through the pivot 43D.
- the second arm 44D is connected by a hinge 45D to a 46D connecting rod itself articulated by the articulation 47D at the 3D rod.
- This reduction mechanism makes it possible to adjust the up and down stroke of the 3D rod as a function of the power supplied by the 10D engine and data from the installation and in particular the flow.
- the plate 14E is connected to the 3E rod also by two sets of lever and connecting rods, symmetrical about the ZZ axis.
- the set on the left is consists of a connecting rod 50E articulated to the plate 14E and connected (51E) to a link 52E itself articulated (53E) to a lever with two arms 54E, 56E, the first arm 54E of which is mounted on the pivot 55E, the second arm 56E being perpendicular to the extension of the first arm 56E beyond the pivot 55E.
- the second arm is connected by a joint 57E to a connecting rod 58E itself connected to the rod 3E by a hinge 59E.
- the other set of connecting rods and lever, symmetrical consists of a 60E connecting rod connected by a joint 61E to a link 62E, itself connected by a joint 63E to one arm 64E of a lever to two arms 64E, 66E.
- the first arm is pivotally mounted on pivot 65E and the second arm 66E is connected by the articulation 67E to a connecting rod 68E itself connected by a hinge 69E to the rod 3E.
- This connecting rod and connecting rod mechanism also allows great flexibility in adjusting the strokes and the operation of the pump.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Reciprocating Pumps (AREA)
- Transmission Devices (AREA)
- Jet Pumps And Other Pumps (AREA)
- Fluid-Driven Valves (AREA)
- Medicines Containing Plant Substances (AREA)
- Devices For Blowing Cold Air, Devices For Blowing Warm Air, And Means For Preventing Water Condensation In Air Conditioning Units (AREA)
- Cookers (AREA)
- Sorption Type Refrigeration Machines (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
- Control Of Non-Positive-Displacement Pumps (AREA)
- Control Of The Air-Fuel Ratio Of Carburetors (AREA)
- Valve Device For Special Equipments (AREA)
Abstract
Description
- deux roues dentées identiques,
- montées sur des axes symétriques par rapport à la trajectoire de la tige portant les pistons,
- engrenant l'une dans l'autre pour tourner en sens opposé,
- un organe moteur relié à au moins l'une des roues pour l'entraíner en rotation,
- deux bielles identiques reliées chacune à la tête de la tige et à un point d'articulation porté par chaque roue dentée, dans des positions symétriques, pour être entraínées suivant des mouvements symétriques par rapport à la trajectoire de la tige pour guider et entraíner la tige et ses pistons.
- l'une des roues dentées comporte ou constitue le volant d'inertie,
- la pièce de liaison entre les deux têtes de bielles et la tête de la tige reçoit les articulations de la tête de tige et les deux articulations ou points de fixation des deux bielles,
- les bielles peuvent fonctionner en traction ou en poussée.
- les bielles sont reliées à la tige par l'intermédiaire de leviers montés pivotants sur des pivots,
- les bielles sont reliées aux roues dentées par l'intermédiaire de leviers montés sur des pivots coopérant avec les roues dentées par une liaison à galets et coulisses, les coulisses étant prévues dans les leviers et les galets en forme de pivots portés par les roues dentées.
- la figure 1 est une vue de côté de la pompe d'exhaure selon l'invention, la tige avec les pistons et le tube d'exhaure n'étant représentés que partiellement,
- la figure 2 est une vue de face de la pompe de la figure 1,
- la figure 3 est une vue schématique d'un mode de réalisation d'un mécanisme d'entraínement de la tige d'une pompe d'exhaure.
- la figure 4 est une vue schématique d'une seconde variante de l'invention,
- la figure 5 est une vue schématique d'une troisième variante de mécanisme selon l'invention,
- la figure 6 montre une quatrième variante de réalisation de l'invention,
- la figure 7 montre une cinquième variante de réalisation de l'invention.
Claims (10)
- Pompe d'exhaure pour puiser de l'eau dans une nappe souterraine, pompe comprenant un tube reliant la surface à la nappe d'eau à pomper, une tige portant les pistons, reliée à un mécanisme d'entraínement installé en surface pour communiquer à la tige un mouvement de va et vient de pompage,
caractérisée en ce que
le mécanisme comprenddeux roues dentées identiques (7, 8, 7A, 8A),montées sur des axes symétriques (72, 82, 72A, 82A) par rapport à la trajectoire (ZZ) de la tige (3, 3A) portant les pistons,engrenant l'une dans l'autre pour tourner en sens opposé,un organe moteur (9, 10, 11) relié à au moins l'une des roues (7, 7A) pour l'entraíner en rotation,deux bielles identiques (12, 13, 12A, 13A) reliées chacune à la tête (14, 14A) de la tige (3, 3A) et à un point d'articulation porté par chaque roue dentée (71, 81, 71A, 81A), dans des positions symétriques, pour être entraínées suivant des mouvements symétriques par rapport à la trajectoire (ZZ) de la tige (3, 3A) pour guider et entraíner la tige et ses pistons. - Pompe selon la revendication 1,
caractérisée en ce que
les roues dentées (7, 8, 7A, 8A) sont entraínées par une manivelle portée par un volant. - Pompe selon la revendication 1,
caractérisée par
un volant d'inertie (15) porté par l'une (7) des deux roues dentées. - Pompe selon la revendication 1,
caractérisée par
une pièce de liaison (14, 14A) entre les têtes (121A, 131A) de bielles et la tête (31A) de la tige (3). - Pompe selon la revendication 1,
caractérisée en ce que
l'organe d'entraínement est une manivelle (9) ou un moteur (10) . - Pompe selon la revendication 1,
caractérisée en ce que
la liaison entre les roues engrenées et l'organe d'entraínement est réalisée par une courroie ou une chaíne (11). - Pompe selon la revendication 1,
caractérisée en ce que
les bielles (12B, 13B) sont reliées à la tige (3B) par l'intermédiaire de leviers (14B, 15B) montés pivotants sur des pivots (16B, 17B). - Pompe selon la revendication 1,
caractérisée en ce que
les bielles (12C, 13C) sont reliées aux roues dentées (7C, 8C) par l'intermédiaire de leviers (14C, 15C) montés sur des pivots (142C, 152C) coopérant avec les roues dentées (7C, 8C) par une liaison à galets (71C, 81C) et coulisses (141C, 151C), les coulisses étant prévues dans les leviers (14C, 15C) et les galets en forme de pivots (71C, 81C) portés par les roues dentées (7C, 8C). - Pompe selon la revendication 1,
caractérisée en ce que
la plage (14D, 14E) est reliée à la tige (3D, 3E) par l'intermédiaire d'un levier du premier genre (31D, 34D ; 41D, 44D ; 54E, 56E ; 64E, 66E), coudé, dont une extrémité (32D, 42D ; 53E, 63E) est reliée par au moins une bielle (30D, 40D ; 50E, 60E), à la plaque et dont l'autre extrémité (35D, 45D ; 57E, 67E) est reliée par une bielle (36D, 46D ; 58E, 68E) à la tige (3D, 3E), ces ensembles de levier/bielles étant dédoublés de manière symétrique par rapport à l'axe ZZ du mouvement de la tige (3E, 3D) de la pompe. - Pompe selon la revendication 9,
caractérisée en ce que
la plaque (14E) est reliée au levier coudé (54E, 56E ; 64E, 64D) par une bielle (50E, 60E) et une biellette (52E, 62E).
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9904019 | 1999-03-31 | ||
FR9904019A FR2791736A1 (fr) | 1999-03-31 | 1999-03-31 | Pompe d'exhaure |
FR9915801 | 1999-12-15 | ||
FR9915801A FR2791737B1 (fr) | 1999-03-31 | 1999-12-15 | Pompe d'exhaure |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1041280A1 true EP1041280A1 (fr) | 2000-10-04 |
EP1041280B1 EP1041280B1 (fr) | 2005-07-06 |
Family
ID=26234895
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP00400831A Expired - Lifetime EP1041280B1 (fr) | 1999-03-31 | 2000-03-27 | Pompe d'exhaure |
Country Status (16)
Country | Link |
---|---|
US (1) | US6371008B1 (fr) |
EP (1) | EP1041280B1 (fr) |
JP (1) | JP2000352374A (fr) |
KR (1) | KR100357664B1 (fr) |
CN (1) | CN1138067C (fr) |
AT (1) | ATE299242T1 (fr) |
DE (1) | DE60021132D1 (fr) |
DZ (1) | DZ3028A1 (fr) |
EG (1) | EG22613A (fr) |
ES (1) | ES2243214T3 (fr) |
FR (1) | FR2791737B1 (fr) |
MA (1) | MA25084A1 (fr) |
OA (1) | OA11613A (fr) |
PT (1) | PT1041280E (fr) |
TN (1) | TNSN00060A1 (fr) |
TR (1) | TR200000894A2 (fr) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7600566B2 (en) * | 2003-12-15 | 2009-10-13 | Weatherford/Lamb, Inc. | Collar locator for slick pump |
US7172028B2 (en) * | 2003-12-15 | 2007-02-06 | Weatherford/Lamb, Inc. | Reciprocating slickline pump |
US20110209569A1 (en) * | 2009-09-01 | 2011-09-01 | Renato Bastos Ribeiro | Power multiplier lever system |
WO2011049549A1 (fr) * | 2009-10-19 | 2011-04-28 | The Full Belly Project Ltd. | Pompe à eau destinée à l'irrigation et à d'autres applications |
RU2450161C2 (ru) * | 2010-08-17 | 2012-05-10 | Государственное образовательное учреждение высшего профессионального образования "Тюменский государственный нефтегазовый университет" (ТюмГНГУ) | Станок-качалка |
RU2455526C1 (ru) * | 2010-12-23 | 2012-07-10 | Государственное образовательное учреждение высшего профессионального образования "Тюменский государственный нефтегазовый университет" (ТюмГНГУ) | Станок-качалка |
CN102996389A (zh) * | 2011-09-16 | 2013-03-27 | 奚文进 | 手动液体高压泵 |
RU2716521C1 (ru) * | 2019-07-30 | 2020-03-12 | Общество с ограниченной ответственностью "Завод дозировочной техники "Ареопаг" | Поршневое устройство насоса |
WO2021229612A1 (fr) * | 2020-05-12 | 2021-11-18 | De Donno Sergio | Mécanisme d'ondulation d'éléments |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1563240A (en) * | 1923-05-14 | 1925-11-24 | Patrick E Tabor | Pump jack |
US1604734A (en) * | 1926-05-24 | 1926-10-26 | Batchler Landon | Double-acting pump-operating mechanism |
US2163287A (en) * | 1938-01-13 | 1939-06-20 | Nisula George | Pump |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US309155A (en) * | 1884-12-09 | Gearing for force-pumps | ||
US189622A (en) * | 1877-04-17 | Improvement in driving mechanism for ships pumps | ||
US195897A (en) * | 1877-10-09 | Improvement in force-pumps | ||
US1169772A (en) * | 1910-05-16 | 1916-02-01 | American Well Works | Pumping machinery. |
US1051347A (en) * | 1911-04-19 | 1913-01-21 | Byron Jackson Iron Works | Power-head for deep-well pumps. |
US1457368A (en) * | 1921-08-11 | 1923-06-05 | Samuel E Huntting | Pump |
US2310393A (en) * | 1937-07-29 | 1943-02-09 | De Vere V Carter | Double pinion application of power |
US2392921A (en) * | 1943-04-10 | 1946-01-15 | Charles A Holman | Engine |
US3162131A (en) * | 1963-07-29 | 1964-12-22 | Dow Chemical Co | Pumping appartus |
US4207774A (en) * | 1977-11-04 | 1980-06-17 | Energy Dynamics, Inc. | Drive mechanism for piston engines |
US4259841A (en) * | 1979-05-15 | 1981-04-07 | Universal Research And Development Corp. | Steam engine |
-
1999
- 1999-12-15 FR FR9915801A patent/FR2791737B1/fr not_active Expired - Lifetime
-
2000
- 2000-03-21 MA MA25935A patent/MA25084A1/fr unknown
- 2000-03-27 TN TNTNSN00060A patent/TNSN00060A1/fr unknown
- 2000-03-27 AT AT00400831T patent/ATE299242T1/de not_active IP Right Cessation
- 2000-03-27 DE DE60021132T patent/DE60021132D1/de not_active Expired - Lifetime
- 2000-03-27 EP EP00400831A patent/EP1041280B1/fr not_active Expired - Lifetime
- 2000-03-27 ES ES00400831T patent/ES2243214T3/es not_active Expired - Lifetime
- 2000-03-27 PT PT00400831T patent/PT1041280E/pt unknown
- 2000-03-28 DZ DZ000055A patent/DZ3028A1/fr active
- 2000-03-28 EG EG20000370A patent/EG22613A/xx active
- 2000-03-30 JP JP2000094667A patent/JP2000352374A/ja not_active Withdrawn
- 2000-03-31 OA OA1200000098A patent/OA11613A/fr unknown
- 2000-03-31 TR TR2000/00894A patent/TR200000894A2/xx unknown
- 2000-03-31 US US09/540,724 patent/US6371008B1/en not_active Expired - Lifetime
- 2000-03-31 KR KR1020000016928A patent/KR100357664B1/ko not_active IP Right Cessation
- 2000-03-31 CN CNB001053302A patent/CN1138067C/zh not_active Expired - Fee Related
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1563240A (en) * | 1923-05-14 | 1925-11-24 | Patrick E Tabor | Pump jack |
US1604734A (en) * | 1926-05-24 | 1926-10-26 | Batchler Landon | Double-acting pump-operating mechanism |
US2163287A (en) * | 1938-01-13 | 1939-06-20 | Nisula George | Pump |
Also Published As
Publication number | Publication date |
---|---|
CN1268626A (zh) | 2000-10-04 |
FR2791737A1 (fr) | 2000-10-06 |
DE60021132D1 (de) | 2005-08-11 |
KR20000063095A (ko) | 2000-10-25 |
OA11613A (fr) | 2004-09-10 |
ES2243214T3 (es) | 2005-12-01 |
ATE299242T1 (de) | 2005-07-15 |
KR100357664B1 (ko) | 2002-10-25 |
TR200000894A3 (tr) | 2001-02-21 |
US6371008B1 (en) | 2002-04-16 |
TNSN00060A1 (fr) | 2002-05-30 |
MA25084A1 (fr) | 2000-10-01 |
FR2791737B1 (fr) | 2002-02-15 |
TR200000894A2 (tr) | 2001-02-21 |
EG22613A (en) | 2003-05-31 |
JP2000352374A (ja) | 2000-12-19 |
PT1041280E (pt) | 2005-11-30 |
CN1138067C (zh) | 2004-02-11 |
EP1041280B1 (fr) | 2005-07-06 |
DZ3028A1 (fr) | 2004-03-27 |
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