公开(公告)号：US20240361289A1

公开(公告)日：2024-10-31

申请号：US18648179

申请日：2024-04-26

Applicant: OpenAeros LLC

Inventor： Aaron Collins ,  Chia Hua M. Pang ,  Rachel Andreasen ,  Christopher Richard Saline Libby ,  Louis Goessling

IPC: G01N33/00 ,  F24F11/39 ,  F24F110/64 ,  F24F110/66 ,  F24F110/70 ,  F24F120/10

CPC classification number: G01N33/0067 ,  F24F11/39 ,  F24F2110/64 ,  F24F2110/66 ,  F24F2110/70 ,  F24F2120/10

Abstract: Systems and methods for analysing air of an indoor environment having a plurality of particle mitigation systems. The system can comprise a particle monitor configured to receive air from the indoor environment to monitor particles, a gas monitor configured to receive air from the indoor environment to monitor a gas, and a control system operatively coupled to the particle monitor and the gas monitor to determine at least one air characteristic, which may include one or more of clean air delivery rate (CADR) for the indoor environment, room air volume, air change rate (ACH) of ventilation for the indoor environment, and mitigation equivalent air change rate (MEACH) for the plurality of particle mitigation systems, or portion thereof.

公开(公告)号：US12044667B2

公开(公告)日：2024-07-23

申请号：US17262955

申请日：2018-07-31

Applicant: NEC Corporation

Inventor： Ryota Suzuki ,  Riki Eto

IPC: G01N33/00 ,  G01N1/24

CPC classification number: G01N33/0067 ,  G01N1/24 ,  G01N33/0009 ,  G01N33/0011 ,  G01N33/0016 ,  G01N33/0027 ,  G01N33/0031

Abstract: An information processing apparatus (2000) acquires time-series data (14) output by a sensor (10) and computes a plurality of feature constants θi and a contribution value ξi representing contribution with respect to the time-series data (14) for each feature constant θi. Thereafter, the information processing apparatus (2000) outputs information in which a set Θ of the feature constants θi and a set Ξ of the contribution values ξi are associated with each other as a feature value of a target gas. As the feature constant θ, a velocity constant β or a time constant τ that is a reciprocal of the velocity constant can be adopted.

公开(公告)号：US20240142427A1

公开(公告)日：2024-05-02

申请号：US18474794

申请日：2023-09-26

Applicant: SINTOKOGIO, LTD.

Inventor： Masataka SHIRAKI ,  Yoshihisa SUZUKI ,  Masahiko NAGASAKA

IPC: G01N33/00

CPC classification number: G01N33/0067 ,  G01N33/0065

Abstract: In order to provide a novel determination device capable of determining the type of excretion by a subject and a related technology thereof, a determination device includes at least one processor, and the at least one processor carries out a determination process of determining the type of excretion by a subject by referring to a first gas concentration detected by a first gas sensor and a second gas concentration detected by a second gas sensor which differs from the first gas sensor in gas species to be mainly detected.

公开(公告)号：US20240119818A1

公开(公告)日：2024-04-11

申请号：US18481747

申请日：2023-10-05

Applicant: Carrier Corporation

Inventor： Raul Perez ,  Inigo Barrera ,  Ricard Burriel ,  Jose Manuel Munuera ,  Joan Radua

IPC: G08B17/10 ,  G01N33/00 ,  G06F16/903

CPC classification number: G08B17/10 ,  G01N33/0065 ,  G01N33/0067 ,  G06F16/90335 ,  G01N2033/0068

Abstract: A system for smoke/fire discrimination and identification of the fire source is provided. The system comprises a control unit that is configured to receive data pertaining to gases present in the smoke generated by a burning material and receive data pertaining to temporal characteristics of fire caused by the burning material. The control unit identifies the burning material based on the data pertaining to the one or more gas and the data pertaining to temporal characteristics of fire; and trigger a fire event based on the identified burning material. The control unit identifies and classifies the burning material as one of the known burning materials based on matching of the detected gas and the captured temporal characteristics with the database.

公开(公告)号：US11846618B2

公开(公告)日：2023-12-19

申请号：US17499840

申请日：2021-10-12

Applicant: David E. Maust ,  Kyle D. Maust ,  Kyle Murray ,  Rob Albinger

Inventor： David E. Maust ,  Kyle D. Maust ,  Kyle Murray ,  Rob Albinger

IPC: A62B31/00 ,  G01N33/00 ,  A62B9/02 ,  E04H9/00 ,  A62B9/00 ,  G05D11/13 ,  A62B7/02 ,  G05D7/06 ,  A62B13/00

CPC classification number: G01N33/0036 ,  A62B7/02 ,  A62B9/006 ,  A62B9/02 ,  A62B31/00 ,  E04H9/00 ,  G01N33/0067 ,  G01N33/0073 ,  G05D7/0635 ,  G05D11/138 ,  A62B13/00

Abstract: An apparatus for controlling a level of oxygen in a closed environment from an oxygen supply having an oxygen sensor for detecting the level of oxygen in the closed environment. The apparatus has a plurality of relays in communication with the sensor. The apparatus has a valve in communication with the relays and the oxygen supply which is automatically opened with the relays without human interaction, monitoring and adjustment to release oxygen from the oxygen supply into the environment when the level of oxygen in the environment goes below a first predetermined level and which is automatically closed with the relays without human interaction, monitoring and adjustment to stop oxygen from being released from the oxygen supply into the environment when the level of oxygen in the environment goes above a second predetermined level. A method for controlling a level of oxygen in a closed environment from an oxygen supply. A refuge chamber.

公开(公告)号：US20230375516A1

公开(公告)日：2023-11-23

申请号：US18321036

申请日：2023-05-22

Applicant: Dräger Safety AG & Co. KGaA

Inventor： Matthias STUDER ,  Jürgen OSSWALD ,  Tom PÖTHIG

IPC: G01N33/00

CPC classification number: G01N33/0031 ,  G01N33/0073 ,  G01N33/0011 ,  G01N33/0067 ,  G01N33/0063

Abstract: A device and process monitor a spatial area for a target gas. A sensor of the gas detection device used has a detection variable (ΔUkorr,0) that is affected by the concentration of target gas. A detection variable sensor measures this detection variable (ΔUkorr,0). The influence of a slower influencing variable and of a faster influencing variable, on the detection variable (ΔUkorr,0), are computationally compensated to determine an influence-corrected detection variable (ΔUkorr,1). Depending on the influence-corrected detection variable (ΔUkorr,1), the target gas concentration is determined. For computational compensation, the time course (Dr[ΔUkorr,0]) of the respective influence of the two influencing variables is estimated, for which a measurement value series from the detection variable sensor is used. The time course (Dr[ΔUkorr,0]) is determined in such a way that the change per time unit of the influence lies within a given change tolerance band (Dr′[ΔUkorr,0]min, Dr′[ΔUkorr,0]max) for this influencing variable.

公开(公告)号：US20230221294A1

公开(公告)日：2023-07-13

申请号：US17928239

申请日：2021-05-13

Applicant: I-PEX Inc.

Inventor： Kenji OGATA ,  Takeshi SUZUKI ,  Hisatoshi SAKAMOTO ,  Yuki HAYATA

IPC: G01N33/00 ,  G01N5/02

CPC classification number: G01N33/006 ,  G01N5/025 ,  G01N33/0067

Abstract: An odor detection device (1) includes an odor sensor (10), environmental information measurement means (11, 12), odor information collection means (20), difference information acquisition means (21), and correction means (22). The odor sensor (10) detects information on an odor emitted from an odor source (2). The environmental information measurement means (11, 12) measures information on an environment, correlated with the amount of water vapor contained in surrounding gas. The difference information acquisition means (21) acquires the difference amount of water vapor, indicating a difference between information on an environment surrounding the odor sensor (10) and information on an environment surrounding the odor source (2). The correction means (22) corrects information on an odor, collected by the odor information collection means (20), on the basis of difference information acquired by the difference information acquisition means (21).

公开(公告)号：US10060942B2

公开(公告)日：2018-08-28

申请号：US13441319

申请日：2012-04-06

Applicant: George G. Burba ,  Dayle McDermitt ,  Xiaomao Lin ,  Liukang Xu ,  Dave Johnson

Inventor： George G. Burba ,  Dayle McDermitt ,  Xiaomao Lin ,  Liukang Xu ,  Dave Johnson

IPC: G01N31/00 ,  G01P5/00 ,  G01N33/00 ,  A61B5/145 ,  G01N21/3504 ,  G01N30/86

CPC classification number: G01P5/001 ,  A61B5/14532 ,  G01N21/3504 ,  G01N30/8624 ,  G01N33/0067

Abstract: Systems and methods for measuring turbulent gas flux using high-speed vertical wind speed measurements (e.g., on the order of 5-10 Hz or more frequently) and low-speed gas content measurements (e.g., on the order of 5 Hz or less frequently), without the need for the sophisticated and expensive high-speed hardware to separate gas samples (e.g., into accumulation bags) according to updrafts and downdrafts. A time series of high-speed vertical wind speed data is used as a guide to distinguish between updrafts and downdrafts. When vertical wind speed is upward (updraft), the low-speed gas content is recorded into a data structure in one location, or marked with one flag. When vertical wind speed is downward (downdraft), the low-speed gas content is recorded into a different location, or marked with a different flag. Eddy Accumulation or Relaxed Eddy Accumulation computations can be performed using the stored gas content data to determine gas flux.

公开(公告)号：US09759702B2

公开(公告)日：2017-09-12

申请号：US14896785

申请日：2014-05-20

Applicant: Dräger Safety AG & Co. KGaA

Inventor： Hans-Ullrich Hansmann ,  Philipp Rostalski

IPC: G01N15/06 ,  G01N33/00 ,  G01N33/48 ,  G01P5/00 ,  G01F1/66 ,  G01F1/704 ,  G01P5/20 ,  G01F1/708 ,  G01N21/77 ,  G01N21/85 ,  G01F1/74 ,  G01N15/00 ,  G01N31/22

CPC classification number: G01N33/0067 ,  G01F1/661 ,  G01F1/704 ,  G01F1/7086 ,  G01F1/74 ,  G01N21/77 ,  G01N21/85 ,  G01N31/223 ,  G01N33/007 ,  G01N2015/0026 ,  G01P5/001 ,  G01P5/20

Abstract: A measuring system (10) and method measure a concentration of components of a gas mixture of gas/aerosol. A reaction support (14) has a flow channel (42) that forms a reaction chamber (46) with an optically detectable reactant (48) that reacts with at least one component or with a reaction product of the component. The flow channel (42) is at least partially filled with particles (100, 102, 104, 110) which have a pre-flow starting position and to which a gas flow is applied through the flow channel (42) in a flow position. The particles (100, 102, 104, 110) are designed (configured) in such a manner that the particles (100, 102, 104, 110) in the starting position and the particles (100, 102, 104, 110) in the flow position can be optically distinguished. The invention also relates to an optical flow sensor (109) for determining a flow of a fluid.

公开(公告)号：US09492788B2

公开(公告)日：2016-11-15

申请号：US14388373

申请日：2012-03-29

Applicant: Bruno Gaudin

Inventor： Bruno Gaudin

IPC: B01D53/94 ,  G01N33/00 ,  F01N3/20 ,  F01N9/00 ,  F01N11/00 ,  F01N3/10 ,  F01N13/00

CPC classification number: B01D53/9495 ,  B01D53/9431 ,  B01D2251/2062 ,  B01D2255/80 ,  B01D2257/404 ,  F01N3/106 ,  F01N3/208 ,  F01N9/00 ,  F01N11/00 ,  F01N13/009 ,  F01N2430/00 ,  F01N2550/02 ,  F01N2560/021 ,  F01N2560/026 ,  F01N2560/14 ,  F01N2900/0418 ,  F01N2900/1402 ,  F01N2900/1614 ,  F01N2900/1616 ,  G01N33/0037 ,  G01N33/0067 ,  Y02A50/245 ,  Y02T10/24 ,  Y02T10/47 ,  Y10T436/175383

Abstract: A method for diagnosing a selective catalytic reduction (SCR) catalyst of an exhaust aftertreatment system of an internal combustion engine includes ensuring that a SCR catalyst NH3 storage level is substantially below the current maximal NH3 storage capacity of the SCR catalyst, initiating over-injection of reductant by the injector, stopping reductant injection upon registering, by the exhaust gas sensor, an increasing NOx+NH3 emission level and an NOx+NH3 emission level exceeding a predefined threshold value, and when the reduction injection is stopped recording an output signal of the exhaust gas sensor until an indication of a minimal or negligible SCR catalyst NH3 storage level is determined, and calculating a SCR catalyst NH3 storage capacity on the basis of the recorded output signal.

Abstract translation: 用于诊断内燃机排气后处理系统的选择性催化还原（SCR）催化剂的方法包括确保SCR催化剂NH 3储存水平显着低于SCR催化剂的当前最大NH 3储存容量，引发过注射 通过喷射器停止还原剂喷射，通过排气传感器停止增加的NOx + NH 3排放水平和超过预定阈值的NOx + NH 3排放水平，并且当还原喷射停止时，记录下 废气传感器，直到确定SCR催化剂NH 3储存水平的最小或可忽略的指示，并且基于记录的输出信号计算SCR催化剂NH 3储存容量。