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1. 发明申请

US20200156594A1 Integrated Multi Image Sensor and Lens Washing Nozzle Assembly and Method for Simultaneously Cleaning a Plurality of Image Sensors 审中-公开
公开(公告)号：US20200156594A1
公开(公告)日：2020-05-21
申请号：US16735083
申请日：2020-01-06
申请人： DLHBOWLES, INC.
发明人： Chunling ZHAO , Bryan FUNG
IPC分类号： B60S1/08 , B08B3/02 , B05B1/04 , B60S1/52 , B60R11/04 , G02B27/00 , B60S1/56
摘要： A unitary or one-piece integral image sensor and washing nozzle assembly or module 100, 300, 400 is configured to enclose, protect, and aim multiple image sensors and effectively clean multiple lenses (e.g., 102, 104) simultaneously while using only one nozzle head (e.g., 120, 320 or 420) with at least one optimized spray pattern (e.g., 122). The module includes a housing with a cover or bezel (e.g., 106) that supports and orients the lenses and the nozzle head aims spray at the lenses along a spray axis, with the relative heights and spacings of the nozzle's outlet orifice (e.g., 174) and the surfaces of the lenses (e.g., 102, 104) selected so that a particular spray either glances across and washes a nearest lens (e.g., 102) or impacts and washes over a farthest lens (e.g., 104).

2. 发明申请

US20190151865A1 COLD WEATHER LOW FLOW MINIATURE SPRAY NOZZLE ASSEMBLY AND METHOD 审中-公开
公开(公告)号：US20190151865A1
公开(公告)日：2019-05-23
申请号：US16255326
申请日：2019-01-23
申请人： DLHBOWLES, INC.
发明人： Chunling ZHAO
IPC分类号： B05B1/16
摘要： A low flow compact spray head design for cleaning applications, especially for camera lens wash includes a miniature spray nozzle head which is about 5 mm in diameter or less for a single direction spray nozzle and about 8 mm in diameter of less for a nozzle with multiple sprays. The washer fluid is fed from the bottom of nozzle along a flow axis and is separated into two flows via two power nozzles or inlets which turn the flows 90° to become opposing jets impinging upon each other inside an interaction region. Uniform stream lines are generated by the two direct facing jets and converge at the nozzle throat to become a uniform spray fan, which is on a plane perpendicular to the axis of cylindrical nozzle head. This fluidic circuit design enables a miniature size low flowrate nozzle to operate well consistently with low flow rate (e.g., a flow rate of about 150 mL/min to about 300 mL/min at 25 psi, or even a flow rate of about 250 mL/min at 25 psi or above, at a viscosity of about 25 CP) at cold temperate (−4° F. or lower) with 50 percent ethanol. This nozzle design is capable of generating two or more different oriented spray fans (e.g., fans spraying in opposing directions) from one single nozzle.

3. 发明申请

US20190388909A1 LOW-FLOW MINIATURE FLUIDIC SPRAY NOZZLE ASSEMBLY AND METHOD 审中-公开
公开(公告)号：US20190388909A1
公开(公告)日：2019-12-26
申请号：US15759242
申请日：2017-11-16
申请人： DLHBOWLES, INC.
发明人： Chunling ZHAO , Shridhar GOPALAN , Zachary KLINE
IPC分类号： B05B1/08 , B05B1/04 , B08B3/02 , B60S1/52
摘要： A miniature low-flow, fluid conserving washer nozzle has an elongated housing enclosing an interior volume aligned along an inlet axis which receives an elongated insert member with internal fluid passages defining first and second power nozzles, so that accelerating first and second fluid flows are aimed by the first and second power nozzles toward one another in an interaction region defined within the insert with an insert throat to aim spray laterally or transversely along a spray axis through an aligned sidewall aperture in the nozzle housing. The nozzle may generate a planar oscillating sweeping fan of spray, produced by fluidic oscillations at low flow rates, typically 150-300 ml/min at 25 psi. The fan of spray generated may be varied from 20° to 70° or about 15°-60°. The outer dimensions of spray head could be as small as 3.5 mm. The fluidic geometry is also capable of spraying high viscosity liquids up to 25 CP or up to 15 CP.

4. 发明申请

US20170036647A1 Integrated Multi Image Sensor and Lens Washing Nozzle Assembly and Method for Simultaneously Cleaning a Plurality of Image Sensors 审中-公开
标题翻译：集成多图像传感器和透镜清洗喷嘴组件和同时清洁多个图像传感器的方法
公开(公告)号：US20170036647A1
公开(公告)日：2017-02-09
申请号：US15304428
申请日：2015-04-16
申请人： dlhBOWLES INC.
发明人： Chunling ZHAO , Bryan FUNG
IPC分类号： B60S1/08 , B05B1/04 , B08B3/02 , B60R11/04 , B60S1/52
摘要： A unitary or one-piece integral image sensor and washing nozzle assembly or module 100, 300, 400 is configured to enclose, protect, and aim multiple image sensors and effectively clean multiple lenses (e.g., 102, 104) simultaneously while using only one nozzle head (e.g., 120, 320 or 420) with at least one optimized spray pattern (e.g., 122). The module includes a housing with a cover or bezel (e.g., 106) that supports and orients the lenses and the nozzle head aims spray at the lenses along a spray axis, with the relative heights and spacings of the nozzle's outlet orifice (e.g., 174) and the surfaces of the lenses (e.g., 102, 104) selected so that a particular spray either glances across and washes a nearest lens (e.g., 102) or impacts and washes over a farthest lens (e.g., 104).
摘要翻译：整体或一体式整体式图像传感器和清洗喷嘴组件或模块100,300,400被配置为围绕，保护和瞄准多个图像传感器并且同时仅使用一个喷嘴同时有效地清洁多个透镜（例如，102,104）头（例如，120,320或420）具有至少一个优化的喷雾图案（例如122）。模块包括具有盖或边框（例如106）的壳体，其支撑并定向透镜，并且喷嘴头目标沿着喷射轴线在透镜处喷射，喷嘴的出口孔的相对高度和间距（例如，174 ）和透镜的表面（例如，102,104）被选择，使得特定的喷雾可以扫过最近的透镜（例如102）并冲洗并洗涤在最远的透镜（例如，104）上。

5. 发明申请

US20210370322A1 COLD WEATHER LOW FLOW MINIATURE SPRAY NOZZLE ASSEMBLY AND METHOD 有权
公开(公告)号：US20210370322A1
公开(公告)日：2021-12-02
申请号：US17402845
申请日：2021-08-16
申请人： DLHBOWLES, INC.
发明人： Chunling ZHAO
IPC分类号： B05B1/16 , B05B1/14 , B60S1/00 , B60S1/56 , B05B1/04
摘要： A low flow compact spray head design for cleaning applications, especially for camera lens wash includes a miniature spray nozzle head which is about 5 mm in diameter or less for a single direction spray nozzle and about 8 mm in diameter of less for a nozzle with multiple sprays. The washer fluid is fed from the bottom of nozzle along a flow axis and is separated into two flows via two power nozzles or inlets which turn the flows 90° to become opposing jets impinging upon each other inside an interaction region. Uniform stream lines are generated by the two direct facing jets and converge at the nozzle throat to become a uniform spray fan, which is on a plane perpendicular to the axis of cylindrical nozzle head. This fluidic circuit design enables a miniature size low flowrate nozzle to operate well consistently with low flow rate (e.g., a flow rate of about 150 mL/min to about 300 mL/min at 25 psi, or even a flow rate of about 250 mL/min at 25 psi or above, at a viscosity of about 25 CP) at cold temperate (−4° F. or lower) with 50 percent ethanol. This nozzle design is capable of generating two or more different oriented spray fans (e.g., fans spraying in opposing directions) from one single nozzle.

6. 发明申请

US20210138493A1 UNIFORM COLD PERFORMANCE REVERSE MUSHROOM 有权
公开(公告)号：US20210138493A1
公开(公告)日：2021-05-13
申请号：US17093048
申请日：2020-11-09
申请人： DLHBOWLES, INC.
发明人： Chunling ZHAO
IPC分类号： B05B3/14
摘要： Provided is a compact sized low flow rate fluidic nozzle insert. The fluidic nozzle insert may include a fluidic oscillator chip on a front face having a flat-top interaction region, and a manifold on a back face, located opposite the front face, to house fluid. The fluidic nozzle insert may further include at least one feed having a u-shape connecting the front face and back face for the transport of fluid from the manifold, at least one power nozzle oriented toward the front face for directing fluid from the at least one feed to the interaction region of the fluidic oscillator chip, and a v-shaped outlet at the bottom of the interaction region defined by two flat walls for the passage of fluid from the interaction region to the outside of the fluidic nozzle insert in a fan pattern. The produced spray fan pattern may be uniform and fluid nozzle may work well with high viscosity fluids.

7. 发明申请

US20190061702A1 MICRO-SIZED STRUCTURE AND CONSTRUCTION METHOD FOR FLUIDIC OSCILLATOR WASH NOZZLE 审中-公开
公开(公告)号：US20190061702A1
公开(公告)日：2019-02-28
申请号：US15769105
申请日：2016-10-19
申请人： DLHBOWLES, INC.
发明人： Shridhar GOPALAN , Chunling ZHAO , Zachary KLINE
IPC分类号： B60S1/52 , B05B1/08 , B05B1/14 , B60S1/56
摘要： A micro-sized structure and construction method for a fluidic oscillator wash or spray nozzle (100 or 250) has a nozzle housing (110 or 252) enclosing an interior cavity (112 or 262) which receives an insert (114 or 254) having internal fluid passages defining first and second power nozzles (120, 122 or 280, 282). The power nozzles receive pressurized fluid (130) flowing through the interior cavity of the housing, where the fluid flows into the cavity at the bottom of the housing and flows upwardly to inlets (140, 142) for the power nozzles so that accelerating first and second fluid flows are aimed by the power nozzles toward one another in an interaction region (154 or 284) which exhausts laterally along a spray axis through a horn-shaped throat defined partly within the insert and partly within the flared spray outlet orifice (160 or 290) defined through the sidewall (162) in the housing.

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