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1. 发明申请

WO2023067418A1 PROPORTIONAL VOLUMETRIC DOSING UNIT 审中-公开
公开(公告)号：WO2023067418A1
公开(公告)日：2023-04-27
申请号：PCT/IB2022/059348
申请日：2022-09-30
申请人： MIXTRON S.R.L.
发明人： BREVINI, Stefano , BREVINI, Renato
IPC分类号： F16J1/00 , F16J15/3208 , F16J15/56 , G01F11/02
摘要： A proportional volumetric dosing unit (1) is described comprising a pump (25) provided with a piston (235) adapted to supply an auxiliary fluid to a motor (20) of the proportional volumetric dosing unit itself, which moves the piston (235) of the pump and is fluidly connected to an inlet conduit (10) of a main fluid and an outlet conduit (15) of a mixed fluid, said motor comprising a piston (30) slidably housed in a cylinder (100) of the motor and connected to the piston (235) of the pump to move it, wherein the piston (30) comprises an annular sealing lip (80) protruding from a top (55) of the piston (30), and an end portion thereof distal from the top of the piston is applied in contact to the cylinder (100) making a fluid seal, said proportional volumetric dosing unit being characterized in that it comprises an elastic element (130) which pushes the annular sealing lip (80) against the cylinder (100).

2. 发明申请

WO2021123976A1 AXIAL PISTON PUMP WITH INCLINED PLATE 审中-公开
公开(公告)号：WO2021123976A1
公开(公告)日：2021-06-24
申请号：PCT/IB2020/061259
申请日：2020-11-30
申请人： MIXTRON S.R.L.
发明人： BREVINI, Stefano , BREVINI, Renato
IPC分类号： F04B53/00 , F04B53/12 , F04B53/16 , F04B1/143 , F04B53/007
摘要： The present invention concerns an axial piston pump (1, 1', 1'',1''') for the pumping of a liquid comprising: a head (20) in which there is at least partially made a plurality of cylinders (25) in a number greater than three, with central axes parallel between them, a plurality of pistons (75) each of which slide in a respective cylinder (25) of the plurality of cylinders (25) for the pumping of the liquid, and a suction channel of the liquid to pump, which is equipped with a primary duct (140) and a plurality of branch ducts (145, 145',145''), each of said branch ducts (145, 145',145'') being adapted to place the primary duct (140) in fluid communication with a respective cylinder (25) of the plurality of cylinders (25), in which the primary duct (140) is positioned between the central axes of the cylinders (25).

3. 发明申请

WO2021123987A1 AXIAL PISTON PUMP WITH INCLINED PLATE 审中-公开
公开(公告)号：WO2021123987A1
公开(公告)日：2021-06-24
申请号：PCT/IB2020/061357
申请日：2020-12-02
申请人： MIXTRON S.R.L.
发明人： BREVINI, Stefano , BREVINI, Renato
IPC分类号： F04B1/12 , F04B1/18 , F04B1/2042 , F04B53/10 , F04B53/16 , F04B53/1087
摘要： The present invention relates to an axial piston pump (1,1') with inclined plate for pumping a liquid comprising: a head (20) in which there are at least partially a plurality of cylinders (25) in a number greater than three, with parallel central axes, a plurality of pistons (75), each one sliding inside a respective cylinder (25) of the plurality of cylinders (25) for pumping liquid, a housing seat of a suction valve (115) made in the head (20), a housing seat of a delivery valve (120) made in the head (20). The housing seat of the suction valve (115) and the housing seat of the delivery valve (120) are in direct fluid communication with each other via a rectilinear channel (155) made in the head, said channel in turn being in direct fluid communication with a cylinder (25) of the plurality of cylinders.

4. 发明申请

WO2021123982A1 AXIAL PISTON PUMP WITH INCLINED PLATE 审中-公开
公开(公告)号：WO2021123982A1
公开(公告)日：2021-06-24
申请号：PCT/IB2020/061307
申请日：2020-12-01
申请人： MIXTRON S.R.L.
发明人： BREVINI, Stefano , BREVINI, Renato
IPC分类号： F04B1/12 , F04B1/18 , F04B1/2042 , F04B53/10 , F04B53/16 , F04B1/143 , F04B53/1087
摘要： This describes an axial piston pump (1, 1') with inclined plate for pumping a liquid comprising: a head (20) in which there are at least partially made a plurality of cylinders (25a, 25b, 25c, 25d, 25e) in a number greater than three, with central axes parallel to each other, a plurality of pistons (75) each one sliding in a respective cylinder (25a, 25b, 25c, 25d, 25e) of the plurality of cylinders (25a, 25b, 25c, 25d, 25e) for pumping liquid, a plurality of suction valves (115), each one housed in a respective housing seat made in the head (20), a plurality of suction channels (155a, 155b, 155c, 155d, 155e) made in the head, one for each suction valve (115), each of which, independently from the other suction channels, places a housing seat of a suction valve (115) in fluid communication with the corresponding cylinder (25a, 25b, 25c, 25d, 25e), a plurality of delivery valves (120), each one housed in a respective housing seat made in the head (20), a plurality of delivery channels (160a, 160b, 160c, 160d, 160e) made in the head, one for each delivery valve (120), each of which, independently from the other delivery channels, places a cylinder (25a, 25b, 25c, 25d, 25e) in fluid communication with the housing seat of the correspond-ing delivery valve (120).

5. 发明申请

WO2022172099A1 AXIAL PUMP WITH INCLINED PLATE 审中-公开
公开(公告)号：WO2022172099A1
公开(公告)日：2022-08-18
申请号：PCT/IB2022/050379
申请日：2022-01-18
申请人： MIXTRON S.R.L.
发明人： BREVINI, Stefano
IPC分类号： F04B1/14 , F04B1/145 , F04B1/18 , F04B53/16
摘要： The present invention relates to an axial piston pump (1) of the rotating inclined plate type for pumping a liquid comprising: a head (25), a plurality of cylinders (30) made in the head (25) in a number greater than two, having axes (C) parallel to each other and the cylinders being arranged radially around a common axis (A) parallel to the axes of the cylinders, a plurality of pistons (75), each slidingly inserted within a respective cyl-inder (30) of the plurality of cylinders (30) for the pumping of the liquid, and a plurality of delivery ducts (145) made in the head (25), each of which runs directly from a re-spective cylinder (30) to a respective delivery valve (120) and is arranged transversely to the axis (C) of the respective cylinder. Where the head (25) has a first side (61) and a second side (62), the second side (62) being opposite to the first side (61) in relation to an imaginary secant plane (S) which contains the common axis (A) and which is paral-lel to the axes (C) of the cylinders (30), where the plurality of cylinders (30) comprises a first arrangement of cylinders, which has its own axis (C) between the first side (61) and the imaginary secant plane (S), and a second arrangement of cylinders, which has its own axis (C) between the second side (62) and the imaginary secant plane (S). Said delivery ducts (145) running from the cylinders (30) of the first arrangement of cylin-ders, run from the respective cylinder (30) towards the first side (61), and the delivery ducts running from the cylinders of the second arrangement of cylinders, run from the respective cylinder (30) towards the second side (62).

6. 发明申请

WO2022172097A1 PISTON PUMP 审中-公开
公开(公告)号：WO2022172097A1
公开(公告)日：2022-08-18
申请号：PCT/IB2022/050340
申请日：2022-01-17
申请人： MIXTRON S.R.L.
发明人： BREVINI, Stefano
IPC分类号： F04B1/141 , F04B1/145 , F04B53/16
摘要： A piston pump (1) is described for pumping a liquid comprising: a head (10) wherein at least a cylinder (15) is obtained, a piston (45) slidably inserted in the cylinder, a first sealing annular gasket (60) which circumferentially sealingly contacts the piston (45), a second sealing annular gasket (80) which circumferentially sealingly contacts the piston, and an annular body (100) which circumferentially encloses the piston (45) and is at least partially accommodated in a housing seat (110) obtained in the head (10) in a portion of the cylinder (15). Said annular body (100) comprises: a first housing seat (150) wherein the first sealing annular gasket (60) is housed, a second housing seat (155) wherein the second sealing annular gasket (80) is housed, and a third housing seat (185) wherein a third sealing annular gasket (190) is housed, which is placed between the annular body (100) and the housing seat (110) of the annular body.

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