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公开(公告)号：EP4194724A1
公开(公告)日：2023-06-14
申请号：EP21852577.2
申请日：2021-07-27
摘要： There is provided a valve having high controllability. A valve V1 includes a valve housing 10 provided with an inlet port 40b and an outlet port 11; a valve body 51 to be driven by a drive source 80; a spring 85 that urges the valve body 51 in a direction opposite a direction of driving by the drive source 80; and a valve seat 40a formed at an edge of a through-flow passage 40b. The valve body 51 and the valve seat 40a cooperatively form a poppet valve 50. The valve V1 is configured to control a flow rate in accordance with a movement of the valve body 51. Flow passages C1 and C2 on a downstream side of the poppet valve 50 are provided with increase regions where a flow passage cross-sectional area tends to increase toward the downstream side.
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公开(公告)号：EP4160015A1
公开(公告)日：2023-04-05
申请号：EP21812004.6
申请日：2021-05-24
摘要： There is provided a capacity control valve having a fluid discharge function at a start-up and having good operating efficiency. A capacity control valve V1 includes a valve housing 10; a main valve 50 including a valve body 51 driven by a solenoid 80, and a main valve seat 10a which is provided between a discharge port 12 and a control port 14 and with which the valve body 51 is allowed to come into contact; and a pressure sensitive valve member 52 forming a pressure sensitive valve 53, together with a pressure sensitive body 60 disposed in a pressure sensitive chamber 40. The control port 14 and a suction port 13 are allowed to communicate with each other through an intermediate communication passage 55 by opening and closing of the pressure sensitive valve 53. The pressure sensitive valve member 52 is provided with a through-hole 52d communicating with the intermediate communication passage 55, and has an opening and closing member 90 attached thereto such that the opening and closing member 90 is restricted in movement with respect to the valve housing 10 by restriction device 91 and 92 and slides relative to the pressure sensitive valve member 52 to open and close the through-hole 52d.
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公开(公告)号：EP3951174A1
公开(公告)日：2022-02-09
申请号：EP20783904.4
申请日：2020-04-02
IPC分类号： F04B27/18 , F04B49/12 , F16K31/126
摘要： A capacity control valve in which control precision is high is provided. A capacity control valve V includes a valve housing 10 provided with a suction port 13 through which a suction fluid of suction pressure Ps passes, and a control port 15 through which a control fluid of control pressure Pc passes, a pressure drive portion 61 that receives a force in the contracting direction from the suction fluid, and a main valve 50 formed by a valve element 51 that receives a force in the valve opening direction from the pressure drive portion 61, and a valve seat 53 with and from which the valve element 51 is brought into contact and separated. The valve element 51 is arranged to receive a force in the closing direction from the control fluid.
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公开(公告)号：EP3951173A1
公开(公告)日：2022-02-09
申请号：EP20783639.6
申请日：2020-04-02
摘要： A capacity control valve with which a fluid discharge function at the time of start-up is excellent and compression efficiency is high is provided. The capacity control valve includes a valve housing 10, 12; a rod 83 configured to be driven by a solenoid 80; a CS valve 50 formed by a CS valve seat 53a and a CS valve element 51 and configured to open and close a communication between the control port 15 and the suction port 13; a DC valve 54 formed by a DC valve seat 10b and a DC valve element 53 and arranged movably with respect to the CS valve element 51, the DC valve 54 being configured to open and close a communication between the discharge port 14 and the control port 15 in accordance with a movement of the rod 83; and a pressure drive portion 61 coupled to the CS valve element 51 to be movable in an integrated manner with the CS valve element 51 and arranged in a suction fluid supply chamber 60 which is formed in the valve housing 10 and to which the suction fluid is supplied, the pressure drive portion 61 being driven by the suction pressure. The CS valve element 51 and DC valve element 53 are moved together by the movement of the rod 83 while maintaining a closed state of the CS valve 50. When the rod 83 is further moved, the CS valve element 51 is moved alone and the DC valve element 53 is left while maintaining a closed state of the DC valve 54.
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公开(公告)号：EP3951170A1
公开(公告)日：2022-02-09
申请号：EP20782343.6
申请日：2020-04-02
摘要： A capacity control valve having high responsiveness even upon a radical output change is provided. A capacity control valve includes a valve housing 10 provided with a suction fluid supply chamber 16 to which a suction fluid of suction pressure Ps is supplied, and a control fluid supply chamber 17 to which a control fluid of control pressure Pc is supplied, a CS valve 50 formed by a CS valve element 51 driven in the axial direction by a solenoid 80, and a CS valve seat 10a which is provided in a communication passage 14 between the control fluid supply chamber 17 and the suction fluid supply chamber 16, the CS valve being connectable to and separable from the CS valve seat 10a, and a pressure drive portion 61 arranged in the control fluid supply chamber 17 in a sealed manner and biasing the CS valve element 51 in the opposite direction to the driving direction by the solenoid 80. The control fluid is introduced on one side of the pressure drive portion 61, and the suction fluid is introduced on the other side.
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公开(公告)号：EP3744977A1
公开(公告)日：2020-12-02
申请号：EP19741397.4
申请日：2019-01-21
发明人： HAYAMA, Masahiro , OGAWA, Yoshihiro , SHIRAFUJI, Keigo , FUKUDOME, Kohei , EJIMA, Takahiro , KURIHARA, Daichi , TAKAHASHI, Wataru
摘要： An object is to provide a capacity control valve capable of efficiently discharging a liquid coolant irrespective of pressure of a suction chamber and lowering drive force of a compressor at a liquid coolant discharging operation. A capacity control valve (1) includes a valve main body (10) having a first communication passage (11), a second communication passage (12), a third communication passage (13), and a main valve seat (15a), a valve element (20) having an intermediate communication passage (29), a main valve portion (21c), and an auxiliary valve portion (23d), and a solenoid (30) having a plunger (35) that drives a first rod (136) and a second rod (36). The first rod (136) opens and closes the main valve portion (21c), and the second rod (36) opens and closes the auxiliary valve portion.
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公开(公告)号：EP3734067A1
公开(公告)日：2020-11-04
申请号：EP18895848.2
申请日：2018-12-26
发明人： HAYAMA, Masahiro , OGAWA, Yoshihiro , SHIRAFUJI, Keigo , FUKUDOME, Kohei , EJIMA, Takahiro , KURIHARA, Daichi , TAKAHASHI, Wataru
摘要： An object is to provide a capacity control valve capable of efficiently discharging a liquid coolant irrespective of pressure of a suction chamber and lowering drive force of a compressor at a liquid coolant discharging operation. A capacity control valve 1 includes a valve main body 10 having a first communication passage 11, a second communication passage 12, a third communication passage 13, and a main valve seat 15a, a valve element 20 having an intermediate communication passage 29, a main valve portion 21c, and an auxiliary valve portion 23d, a solenoid 30 that drives a rod 36 having an auxiliary valve seat 26c, and a first biasing member 43 that biases in the valve closing direction of the main valve portion 21c. A spring constant of the first biasing member 43 has a characteristic that the spring constant is increased in an opened state of the main valve portion 21c and decreased in a closed state.
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公开(公告)号：EP1731763B1
公开(公告)日：2012-07-18
申请号：EP06115175.9
申请日：2006-06-08
发明人： UMEMURA, Satoshi , HASHIMOTO, Yuji , HIROSE, Tatsuya , ODA, Kazutaka , TANIUE, Masataka , CHO, Ryosuke , SHIRAFUJI, Keigo , IWA, Toshiaki
IPC分类号： F04B27/18
CPC分类号： F04B27/1804 , F04B2027/1813 , F04B2027/1827 , F04B2027/1845 , F04B2027/1854 , F04B2027/1859
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公开(公告)号：EP1852606B1
公开(公告)日：2012-06-20
申请号：EP06714371.9
申请日：2006-02-23
发明人： UMEMURA, Satoshi , OTA, Masaki , KAWAGUCHI, Masahiro , CHO, Ryosuke , SHIRAFUJI, Keigo , IWA, Toshiaki
IPC分类号： F04B27/18
CPC分类号： F04B27/1804 , F04B2027/1827 , F04B2027/1831 , F04B2027/1845 , F04B2027/1854 , Y10T137/86622
摘要： A capacity control valve having a valve body (40) integrally provided with a first valve section (41) that opens and closes a discharge side path for communicating a discharge chamber (11) and a control chamber (12) and with a second valve section (42) that opens and closes a suction side path for communicating a suction chamber (13) and the control chamber (12); a pressure sensitive body (50) provided in a third valve chamber (38) in the middle of the suction side path; a valve seat body (53) provided at the pressure sensitive body (50); a third valve section (43) joined to the valve body (40) and opening and closing the suction side path by being engaged with and disengaged from the valve seat body (53); and other elements. Either an engagement surface (43a) of the third valve section or a seat surface (53a) of the valve seat body is formed in a spherical shape having a curvature radius R of 9 mm
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