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1. 发明授权

US08453646B2 Sensor apparatus and method to regulate air flow in a powered air purifying respirator 有权
标题翻译：用于调节动力空气净化呼吸器中气流的传感器装置和方法
公开(公告)号：US08453646B2
公开(公告)日：2013-06-04
申请号：US12645044
申请日：2009-12-22
申请人： Swapnil Gopal Patil , Praveen Kumar Palacharla , Madan Mohan Reddy Dumpala
发明人： Swapnil Gopal Patil , Praveen Kumar Palacharla , Madan Mohan Reddy Dumpala
IPC分类号： A62B7/00
CPC分类号： A62B18/006 , A62B18/08 , G01F1/40
摘要： A probe assembly of a sensor is arranged in an airflow channel. A first probe of the assembly has an inlet. The inlet is at a first point in the airflow channel. A second probe of the assembly has an inlet. The inlet is in fluid communication with the airflow channel. The second probe inlet is closer to a surface defining a perimeter of the channel than is the first probe inlet.
摘要翻译：传感器的探头组件布置在气流通道中。组件的第一个探头有一个入口。入口处于气流通道的第一点。组件的第二个探头有一个入口。入口与气流通道流体连通。第二探针入口比第一探针入口更靠近限定通道周界的表面。

2. 发明申请

US20130087150A1 SYSTEM AND METHOD OF CALIBRATION IN A POWERED AIR PURIFYING RESPIRATOR 有权
标题翻译：在空气净化呼吸器中进行校准的系统和方法
公开(公告)号：US20130087150A1
公开(公告)日：2013-04-11
申请号：US13269198
申请日：2011-10-07
申请人： Praveen Kumar Palacharla , Madan Mohan Reddy Dumpala , Swapnil Gopal Patil , Mehabube Rabbanee Shaik
发明人： Praveen Kumar Palacharla , Madan Mohan Reddy Dumpala , Swapnil Gopal Patil , Mehabube Rabbanee Shaik
IPC分类号： A61M16/00 , B23Q17/00
CPC分类号： A62B18/006 , Y10T29/49764
摘要： A self-calibrating powered air purifying respirator (PAPR). The PAPR comprises an electric motor mechanically coupled to a blower; an air flow sensor, and a controller coupled to the air flow sensor and to the electric motor. The controller is configured to automatically execute a one-time self-calibration by driving the electric motor to a predefined operation point, receiving an indication from the air flow sensor, determining a reference parameter based on the indication from the air flow sensor, and storing the reference parameter, wherein after completion of the one-time self-calibration the controller controls the electric motor based on the stored reference parameter.
摘要翻译：自校准动力空气净化呼吸器（PAPR）。 PAPR包括机械地联接到鼓风机的电动机; 气流传感器和耦合到空气流量传感器和电动机的控制器。控制器被配置为通过将电动机驱动到预定义的操作点来自动执行一次自校准，接收来自空气流量传感器的指示，基于来自空气流量传感器的指示确定参考参数，并存储参考参数，其中在完成一次自校准之后，控制器基于所存储的参考参数来控制电动机。

3. 发明申请

US20140116445A1 NOISE REDUCTION SYSTEM FOR SUPPLIED AIR RESPIRATOR 有权
标题翻译：用于提供空气呼吸器的噪声减少系统
公开(公告)号：US20140116445A1
公开(公告)日：2014-05-01
申请号：US13683696
申请日：2012-11-21
申请人： Swapnil Gopal Patil , Joseph Rodrigues , Joseph Venagro
发明人： Swapnil Gopal Patil , Joseph Rodrigues , Joseph Venagro
IPC分类号： A61M16/20
CPC分类号： A62B9/00 , A62B7/10 , A62B23/02
摘要： Embodiments relate generally to noise reduction techniques and systems for use with supplied air respirators. Typical embodiments may comprise porous elements located within a respirator system operable to alter the air flow pattern through the system and therefore reduce noise created in the system. These porous elements might be located within an inhalation valve, a breathing hose and/or a muffler block housing of a respirator system.
摘要翻译：实施例一般涉及与所提供的空气呼吸器一起使用的降噪技术和系统。典型的实施例可以包括位于呼吸器系统内的多孔元件，其可操作以改变通过系统的空气流动模式，并因此减少系统中产生的噪音。这些多孔元件可能位于呼吸器系统的吸入阀，呼吸软管和/或消音器块壳体内。

4. 发明申请

US20130276217A1 Adjustable Low Pressure Warning Device 有权
标题翻译：可调式低压警告装置
公开(公告)号：US20130276217A1
公开(公告)日：2013-10-24
申请号：US13451942
申请日：2012-04-20
申请人： Swapnil Gopal Patil , Garaga Phani Kumar , Swan Tuffery , Bharat Bhushan Arora
发明人： Swapnil Gopal Patil , Garaga Phani Kumar , Swan Tuffery , Bharat Bhushan Arora
IPC分类号： A41D13/00 , G01L19/08
CPC分类号： A62B17/006 , G01L7/024 , G01L19/12
摘要： A low pressure warning device that comprises a piston located inside the device, where the piston partitions the device into a first chamber communicating with a first opening and a second chamber communicating with a second opening, an adjustable stop, and a spring located inside the device and configured to bias the piston to a position based on a position of the adjustable stop and based on a pressure differential between the first opening and the second opening, wherein a low pressure differential warning state is associated with a position of the piston.
摘要翻译：一种低压警告装置，其包括位于所述装置内部的活塞，其中所述活塞将所述装置分隔成与第一开口连通的第一室和与所述第二开口连通的第二室，可调节止动件和位于所述装置内的弹簧并且构造成基于所述可调节止动件的位置并基于所述第一开口和所述第二开口之间的压力差将所述活塞偏压到一个位置，其中低压差动警告状态与所述活塞的位置相关联。

5. 发明申请

US20110146682A1 SENSOR APPARATUS AND METHOD TO REGULATE AIR FLOW IN A POWERED AIR PURIFYING RESPIRATOR 有权
标题翻译：传感器装置和调节空气净化呼吸器中空气流动的方法
公开(公告)号：US20110146682A1
公开(公告)日：2011-06-23
申请号：US12645044
申请日：2009-12-22
申请人： Swapnil Gopal Patil , Praveen Kumar Palacharla , Madan Mohan Reddy Dumpala
发明人： Swapnil Gopal Patil , Praveen Kumar Palacharla , Madan Mohan Reddy Dumpala
IPC分类号： A62B7/10 , G01F1/34
CPC分类号： A62B18/006 , A62B18/08 , G01F1/40
摘要： A probe assembly of a sensor is arranged in an airflow channel. A first probe of the assembly has an inlet. The inlet is at a first point in the airflow channel. A second probe of the assembly has an inlet. The inlet is in fluid communication with the airflow channel. The second probe inlet is closer to a surface defining a perimeter of the channel than is the first probe inlet.
摘要翻译：传感器的探头组件布置在气流通道中。组件的第一个探头有一个入口。入口处于气流通道的第一点。组件的第二个探头有一个入口。入口与气流通道流体连通。第二探针入口比第一探针入口更靠近限定通道周界的表面。

6. 发明申请

US20100163333A1 ROTARY POSITION SENSING APPARATUS 失效
标题翻译：旋转位置感应装置
公开(公告)号：US20100163333A1
公开(公告)日：2010-07-01
申请号：US12346512
申请日：2008-12-30
申请人： SWAPNIL Gopal PATIL , GAUTHAM RAMAMURTHY , NURUL Hasan IBRAHIM , AZHAGAR RAJ
发明人： SWAPNIL Gopal PATIL , GAUTHAM RAMAMURTHY , NURUL Hasan IBRAHIM , AZHAGAR RAJ
IPC分类号： B62D5/04 , G06F15/00
CPC分类号： B62D15/0215 , B62D15/0245 , G01D5/145
摘要： An angular position sensor (100) for determining angular position includes a shaft (105) having a threaded portion (108), and a structure for engaging an external application (119). The shaft (105) includes a first permanent magnet (114). A nut (116) is threaded on the threaded portion (108). The nut (116) is formed from a first magnetic permeable material or includes a second permanent magnet (118). At least one constraint (122) is coupled to the nut (116) for preventing rotational movement of the nut (116) while allowing linear motion of the nut (116). A first magnetic sensor (120) is positioned along a length of the threaded portion (108) of the nut (116) for measuring a linear position of the nut (116). A second magnetic sensor (124) is provided for measuring an angular position of the shaft (105). Signal processing circuitry (130) is coupled to receive outputs from both the first magnetic sensor (120) and second magnetic sensor (124) for calculating a parameter relating to an angular position of the rotatable member.
摘要翻译：用于确定角位置的角位置传感器（100）包括具有螺纹部分（108）的轴（105）和用于接合外部应用（119）的结构。轴（105）包括第一永磁体（114）。螺母（116）螺纹连接在螺纹部分（108）上。螺母（116）由第一可渗透材料形成或包括第二永磁体（118）。至少一个约束（122）联接到螺母（116），用于防止螺母（116）的旋转运动，同时允许螺母（116）的线性运动。第一磁传感器（120）沿螺母（116）的螺纹部分（108）的长度定位，用于测量螺母（116）的线性位置。第二磁传感器（124）用于测量轴（105）的角位置。信号处理电路（130）被耦合以接收来自第一磁传感器（120）和第二磁传感器（124）的输出，用于计算与可旋转构件的角位置相关的参数。

7. 发明申请

US20110114093A1 AUTOMATIC FITMENT DETECTION AND FLOW CALIBRATION USING NON-CONTACT SENSING IN POWERED AIR PURIFYING RESPIRATORS 审中-公开
标题翻译：在动力空气净化器中使用非接触式感应的自动检测和流量校准
公开(公告)号：US20110114093A1
公开(公告)日：2011-05-19
申请号：US12618940
申请日：2009-11-16
申请人： Swapnil Gopal Patil , Nurul Hasan Ibrahim , Praveen Kumar Palacharla
发明人： Swapnil Gopal Patil , Nurul Hasan Ibrahim , Praveen Kumar Palacharla
IPC分类号： A62B7/00
CPC分类号： A62B18/006
摘要： A method and apparatus for operating an powered, air-purifying respirator. The apparatus includes an air mask, an air pump, a hose connecting the mask to the air pump, a magnetic actuator disposed on a portion of the hose that engages a housing of the air pump and a controller that provides a predetermined air flow from the pump to the mask based upon a magnetic flux from the actuator.
摘要翻译：一种用于操作动力式空气净化呼吸器的方法和装置。该装置包括一个空气掩模，一个空气泵，一个将该掩模连接到空气泵的软管，一个设置在软管的与空气泵壳体接合的部分上的磁致动器，以及一个控制器，基于来自致动器的磁通量将其泵送到面罩。

8. 发明申请

US20100096553A1 REFLECTIVE OPTICAL SENSOR AND SWITCHES AND SYSTEMS THEREFROM 审中-公开
标题翻译：反射光学传感器及其开关和系统
公开(公告)号：US20100096553A1
公开(公告)日：2010-04-22
申请号：US12256419
申请日：2008-10-22
申请人： Swapnil Gopal Patil , Marek Gierczak
发明人： Swapnil Gopal Patil , Marek Gierczak
IPC分类号： G01J5/02
CPC分类号： G01V8/10 , G01S7/481 , G01S17/026 , H03K17/941 , H03K2217/94108
摘要： A reflection-based optical sensor device (100) for detecting a presence of an object (110) having a detection surface (111) includes a housing (115) having first and second open volumes (120,130) including a central common portion (140) for isolating the first and second volumes. A light emitter (122) for emitting an irradiation beam (141) is contained within the first volume of the housing, wherein the light emitter is positioned in the housing so that the irradiation beam is aligned within 5 degrees of a surface normal of the detection surface (111). A light detector (132) has a detection plane (133) contained within the second volume of the housing, wherein the light detector is positioned in the housing so that the normal from the detection plane (133) is aligned within 5 degrees of the surface normal of the detection surface (111). At least one optical device (150) is secured to the housing (115) and positioned in a path of the irradiation beam having a first portion for tilting said irradiation beam to provide a tilted irradiation beam (142) at an angle for reaching the detection surface (111), wherein a reflected or backscattered beam (143) emerges from the detection surface (111) of the object responsive to the tilted irradiation beam (142). The optical device (150) includes a second portion (152) that is positioned laterally from the first portion (151), wherein the detection plane (133) of the detector is in optical alignment with said second portion (152) for sensing the reflected or backscattered beam (143).
摘要翻译：用于检测具有检测表面（111）的物体（110）的存在的基于反射的光学传感器装置（100）包括具有包括中心公共部分（140）的第一和第二开放体积（120,130）的壳体（115）用于隔离第一和第二卷。用于发射照射光束（141）的光发射器（122）被包含在壳体的第一容积内，其中光发射器定位在壳体中，使得照射光束在检测的表面法线的5度内对准表面（111）。光检测器（132）具有包含在壳体的第二体积内的检测平面（133），其中光检测器定位在壳体中，使得来自检测平面（133）的法线在表面的5度内对准检测面（111）的法线。至少一个光学装置（150）被固定到壳体（115）并且定位在具有用于倾斜所述照射光束的第一部分的照射束的路径中，以提供倾斜的照射光束（142），以形成一个角度以达到检测表面（111），其中响应于倾斜的照射光束（142），反射或反向散射光束（143）从物体的检测表面（111）出射。光学装置（150）包括从第一部分（151）侧向定位的第二部分（152），其中检测器的检测平面（133）与所述第二部分（152）光学对准，以感测反射或后向散射光束（143）。

9. 发明授权

US09808656B2 System and method of oxygen deficiency warning in a powered air purifying respirator 有权
公开(公告)号：US09808656B2
公开(公告)日：2017-11-07
申请号：US13346340
申请日：2012-01-09
申请人： Vinay Kumar Vinnakota , Praveen Kumar Palacharla , Swapnil Gopal Patil
发明人： Vinay Kumar Vinnakota , Praveen Kumar Palacharla , Swapnil Gopal Patil
IPC分类号： A62B18/00 , A61M16/06 , A62B9/00
CPC分类号： A62B18/006 , A61M16/06 , A62B9/006
摘要： A powered air purifying respirator (PAPR). The PAPR comprises an electric motor mechanically coupled to a blower, an oxygen sensor, an alarm device, and a controller coupled to the oxygen sensor and to the electric motor, wherein the controller controls the electric motor, wherein the controller determines if the oxygen concentration is deficient, and wherein the controller commands the alarm device to present an indication when the oxygen concentration is deficient.

10. 发明授权

US09192795B2 System and method of calibration in a powered air purifying respirator 有权
标题翻译：动力空气净化呼吸器中的校准系统和方法
公开(公告)号：US09192795B2
公开(公告)日：2015-11-24
申请号：US13269198
申请日：2011-10-07
申请人： Praveen Kumar Palacharla , Madan Mohan Reddy Dumpala , Swapnil Gopal Patil , Mehabube Rabbanee Shaik
发明人： Praveen Kumar Palacharla , Madan Mohan Reddy Dumpala , Swapnil Gopal Patil , Mehabube Rabbanee Shaik
IPC分类号： F16K31/02 , A62B18/00
CPC分类号： A62B18/006 , Y10T29/49764
摘要： A self-calibrating powered air purifying respirator (PAPR). The PAPR comprises an electric motor mechanically coupled to a blower; an air flow sensor, and a controller coupled to the air flow sensor and to the electric motor. The controller is configured to automatically execute a one-time self-calibration by driving the electric motor to a predefined operation point, receiving an indication from the air flow sensor, determining a reference parameter based on the indication from the air flow sensor, and storing the reference parameter, wherein after completion of the one-time self-calibration the controller controls the electric motor based on the stored reference parameter.
摘要翻译：自校准动力空气净化呼吸器（PAPR）。 PAPR包括机械地联接到鼓风机的电动机; 气流传感器和耦合到空气流量传感器和电动机的控制器。控制器被配置为通过将电动机驱动到预定义的操作点来自动执行一次自校准，接收来自空气流量传感器的指示，基于来自空气流量传感器的指示确定参考参数，并存储参考参数，其中在完成一次自校准之后，控制器基于所存储的参考参数来控制电动机。

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