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公开(公告)号：US10690125B2
公开(公告)日：2020-06-23
申请号：US16085428
申请日：2017-03-10
摘要： A displacement control valve improved in the function of discharging a liquid refrigerant in a control chamber at startup achieves a reduction in startup time and an improvement in operating efficiency during control of a variable displacement compressor simultaneously. An opening area between a third valve section and a third valve seat surface in a control area to control the flow rate or pressure in a working control chamber is set smaller than an area of an auxiliary communicating passage, thereby reducing the minimum area of a Pc-Ps flow path in the control area.
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公开(公告)号：US11603832B2
公开(公告)日：2023-03-14
申请号：US16480281
申请日：2018-01-24
摘要： A capacity control valve is provided with a throttle valve portion having a communication hole and a second valve hole. The communication hole is provided between a second valve portion and a third valve portion and makes an intermediate communication passage communicate with a third valve chamber. The second valve hole is provided between a second valve chamber and the third valve chamber. An amount of narrowing of the throttle valve portion in relation to a stroke of a valve element is set larger when the second valve portion initially opens by separating from a second valve seat face, and then becomes narrower after the initial opening of the valve. The capacity control valve is capable of shortening a start-up time and improving the operating efficiency of a variable capacity compressor.
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公开(公告)号：US10337636B2
公开(公告)日：2019-07-02
申请号：US15527686
申请日：2015-11-18
IPC分类号： F16K31/02 , F16K31/06 , F16J15/10 , F16K27/02 , F16K27/04 , F04B39/08 , F16K11/07 , B60H1/00 , F16K17/196
摘要： The inflow of an external fluid into a mounting hole of a displacement control valve can be prevented, and accumulated gas in the mounting hole due to the permeation leakage of high-pressure gas can be discharged to the outside. A displacement control valve 1 inserted and fitted in a mounting hole 3 provided in a casing of a device controlled in displacement includes a sealing lip 46. The sealing lip 46 is fitted in a fitting section 41 at an outer peripheral portion of the displacement control valve 1 on a side close to an entrance of the mounting hole 3. The sealing lip 46 has a lip portion 46b abutting on an inner peripheral surface of the mounting hole 3.
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公开(公告)号：US11795928B2
公开(公告)日：2023-10-24
申请号：US18074351
申请日：2022-12-02
CPC分类号： F04B27/1804 , F04B53/1087 , F16K11/04 , F16K11/24 , F16K17/04 , F16K31/0624 , G05D7/005 , F04B2027/1854
摘要： A capacity control valve includes: a valve body having first communication passages, second communication passages, third communication passages, and a main valve seat; a valve element having an intermediate communication passage, a main valve portion and an auxiliary valve portion; a pressure-sensitive element disposed in the valve body; a solenoid that drives a rod; a first biasing member that biases in a valve closing direction of the main valve portion; and a second biasing member that biases in a valve opening direction of the main valve portion, wherein the rod moves relative to the valve element to press the pressure-sensitive element. The capacity control valve can efficiently discharge a liquid refrigerant and can decrease a driving force of a compressor during a liquid refrigerant discharge operation.
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公开(公告)号：US11542930B2
公开(公告)日：2023-01-03
申请号：US16483621
申请日：2018-02-08
摘要： In an exemplary embodiment, a capacity control valve includes: a valve main body 2 having a first valve chamber 7 through which a fluid at control pressure passes and which has a first valve seat surface 31A, and an interior space 4 through which a fluid at suction pressure passes; and a valve body 21 having an intermediate communication passage 26 for communicating the first valve chamber 7 and the interior space 4, and a first valve part 21C for opening and closing the intermediate communication passage 26 adjacent to the first valve seat surface 31A, wherein an opening area of the first valve part 21C is smaller than that of the intermediate communication passage 26. The capacity control valve is capable of simultaneously achieving reduction of a start-up time of the variable capacity compressor and improvement of responsiveness of capacity control at the time of control.
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公开(公告)号：US09777863B2
公开(公告)日：2017-10-03
申请号：US14431270
申请日：2014-01-29
CPC分类号： F16K31/0624 , F04B27/1804 , F04B2027/1813 , F04B2027/1827 , F04B2027/1831 , F04B2027/1845 , F04B2027/1854 , Y10T137/86485
摘要： A control valve for discharging a liquid refrigerant in a control chamber at the time of start-up of a variable capacity compressor has a movable a center post for increasing the area of a passage for discharging the liquid refrigerant when discharging the liquid refrigerant.
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公开(公告)号：US11542931B2
公开(公告)日：2023-01-03
申请号：US16763800
申请日：2018-11-12
摘要： A capacity control valve includes: a valve body (10) having first communication passages (11), second communication passages (12), third communication passages (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 pressure-sensitive element (24) disposed in the valve body (10); a solenoid (30) that drives a rod (36); a first biasing member (43) that biases in a valve closing direction of the main valve portion (21c); and a second biasing member (44) that biases in a valve opening direction of the main valve portion (21c), wherein the rod (36) moves relative to the valve element (20) to press the pressure-sensitive element (24). The capacity control valve can efficiently discharge a liquid refrigerant and can decrease a driving force of a compressor during a liquid refrigerant discharge operation.
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公开(公告)号：US11085431B2
公开(公告)日：2021-08-10
申请号：US16471215
申请日：2017-12-27
摘要： Provided is a displacement control valve capable of quickly reducing pressure in a control chamber to a level of pressure kept during continuous driving, at the time of the startup of a variable displacement compressor. The valve housing is provided with a through hole constituting a part of a first communicating passage that communicates with a pressure chamber at one end thereof and that is communicable with a second valve chest at the other end thereof.
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公开(公告)号：US20150211506A1
公开(公告)日：2015-07-30
申请号：US14419448
申请日：2013-12-04
IPC分类号： F04B27/18
CPC分类号： F04B27/1804 , F04B2027/1813 , F04B2027/1827 , F04B2027/1831 , F04B2027/1854 , F04B2027/1886 , F25B49/022
摘要： A capacity control valve includes: intake-side passages connecting an intake chamber that takes in fluid and a control chamber; a pressure-sensitive chamber formed midway along the intake-side passages; a liquid-refrigerant discharge valve that receives the pressure of the control chamber to open and close the intake-side passages; a pressure-sensitive body placed in the pressure-sensitive chamber, which extends to apply a biasing force to the liquid-refrigerant discharge valve in the direction of closing the valve, while contracting as the ambient pressure increases; and a solenoid that applies an electromagnetic drive force to control the main valve; wherein the pressure-sensitive body is supported on one side by the driving rod of the solenoid in a manner permitting relative motion, while connected on the other side to the liquid-refrigerant discharge valve, wherein the discharge valve structure and discharge flow passages for discharging liquid refrigerant are simplified.
摘要翻译： 容量控制阀包括：进气侧通道，其连接吸入流体的进气室和控制室; 沿着进气侧通道中途形成的压敏室; 液体制冷剂排出阀，其接收所述控制室的压力以打开和关闭所述进气侧通道; 放置在压敏室中的压敏体，其延伸以在关闭阀的方向上向液体制冷剂排出阀施加偏压力，同时当环境压力增加时收缩; 以及施加电磁驱动力来控制主阀的螺线管; 其特征在于，所述压敏体通过所述螺线管的驱动杆以允许相对运动的方式一侧支撑在所述液体制冷剂排出阀的另一侧，其中，所述排出阀结构和排出流路 液体制冷剂简化。
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公开(公告)号：US10781804B2
公开(公告)日：2020-09-22
申请号：US16323180
申请日：2017-08-22
IPC分类号： F04B27/18
摘要： A displacement control valve is provided for discharging liquid refrigerant in a control chamber at startup and achieves a reduction in startup time and an improvement in operating efficiency during control of a variable displacement compressor simultaneously. The opening area between communicating holes in a third valve section and a third valve seat surface in a control area to control the flow rate or pressure in a working control chamber is set smaller than the area of auxiliary communicating passages.
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