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公开(公告)号：US20160160866A1
公开(公告)日：2016-06-09
申请号：US14563589
申请日：2014-12-08
Applicant: Hamilton Sundstrand Corporation
Inventor： Thomas M. Zywiak , John M. Beck , Peter Zywiak
CPC classification number: F04D27/004 , B64D13/06 , B64F5/60 , F04D19/002 , F25B49/005 , G05D7/0629
Abstract: A method and apparatus for operating an air cycle machine is disclosed. The apparatus includes a detector for measuring a rotational speed of a component of the air cycle machine. A processor estimates a rate of change of rotational speed of the component from the measured rotational speed and shuts down the air cycle machine when the estimated rate of change of the rotational speed of the component is greater than a selected rate threshold.
Abstract translation: 公开了一种用于操作空气循环机的方法和装置。 该装置包括用于测量空气循环机的部件的转速的检测器。 处理器估计组件的旋转速度从测量的旋转速度的变化率，并且当组件的转速的估计变化率大于所选择的速率阈值时关闭空气循环机器。
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公开(公告)号：US09988153B2
公开(公告)日：2018-06-05
申请号：US14797850
申请日：2015-07-13
Applicant: HAMILTON SUNDSTRAND CORPORATION
Inventor： Peter Zywiak
CPC classification number: B64D13/08 , F04D19/002 , F04D25/06 , F04D27/001 , F04D27/0261 , F05D2270/3013
Abstract: A ram air fan (RAF) assembly is provided and includes a ram air inlet, a heat exchanger disposed in the ram air inlet, an RAF disposed in the ram air inlet to drive airflow through the heat exchanger, a sensor disposed in the ram air inlet proximate to the RAF and a controller. The controller is operably coupled to the RAF and the sensor and is configured to drive rotations of the RAF to achieve a target RAF rotational speed in accordance with a determination that a reading generated by the sensor is indicative of a surge event.
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公开(公告)号：US20220177141A1
公开(公告)日：2022-06-09
申请号：US17116224
申请日：2020-12-09
Applicant: Hamilton Sundstrand Corporation
Inventor： Brian R. Shea , Peter Zywiak , Luke Martin
Abstract: An aircraft air conditioning system includes a lower cooling zone and an upper cooling zone. The lower cooling zone includes a lower recirculation heat exchanger configured to receive cabin air from a cabin and convert the cabin air into lower cooled recirculated cabin air. The upper cooling zone includes an upper recirculation heat exchange configured to receive the cabin air from the cabin and convert the cabin air into upper cooled recirculated cabin air. A power system selectively delivers power to the lower cooling zone and the upper cooling zone. A controller is in signal communication with the power system. The controller determines a target temperature of the cabin and invokes a recirculation ground maintenance mode that commands the power system to deliver power to one or both of the lower cooling zone and the upper cooling zone so that a temperature of the cabin reaches the target temperature.
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Patent Agency Ranking
公开(公告)号：US11703890B2
公开(公告)日：2023-07-18
申请号：US16175268
申请日：2018-10-30
Applicant: Hamilton Sundstrand Corporation
Inventor： Peter Zywiak
CPC classification number: G05D7/0635 , G05B15/02 , G05D7/0623
Abstract: A method of determining and controlling a weight flow in an environmental control system includes sensing, using a turbine inlet temperature sensor, a turbine inlet temperature. A turbine inlet pressure is sensed using a turbine inlet pressure sensor. A turbine outlet pressure is sensed using a turbine outlet pressure sensor. A rotational shaft speed of a shaft is sensed using a rotational shaft speed sensor. The sensed turbine inlet temperature, the sensed turbine inlet pressure, the sensed turbine outlet pressure, and the sensed rotational shaft speed are received by a controller. A flow coefficient is determined by the controller using the turbine inlet pressure, the turbine outlet pressure, the shaft speed, and a Turbine Flow Coefficient Map. A weight flow through the turbine is determined by the controller using the flow coefficient, the turbine inlet temperature, a nozzle area, and the turbine inlet pressure.
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公开(公告)号：US20170015426A1
公开(公告)日：2017-01-19
申请号：US14797850
申请日：2015-07-13
Applicant: HAMILTON SUNDSTRAND CORPORATION
Inventor： Peter Zywiak
IPC: B64D13/08
CPC classification number: B64D13/08 , F04D19/002 , F04D25/06 , F04D27/001 , F04D27/0261 , F05D2270/3013
Abstract: A ram air fan (RAF) assembly is provided and includes a ram air inlet, a heat exchanger disposed in the ram air inlet, an RAF disposed in the ram air inlet to drive airflow through the heat exchanger, a sensor disposed in the ram air inlet proximate to the RAF and a controller. The controller is operably coupled to the RAF and the sensor and is configured to drive rotations of the RAF to achieve a target RAF rotational speed in accordance with a determination that a reading generated by the sensor is indicative of a surge event.
Abstract translation: 提供了冲压空气风扇（RAF）组件，其包括冲压空气入口，设置在冲压空气入口中的热交换器，设置在冲压空气入口中以驱动通过热交换器的气流的RAF，设置在冲压空气中的传感器 靠近RAF的入口和控制器。 控制器可操作地耦合到RAF和传感器，并且被配置为根据由传感器产生的读数指示浪涌事件的确定来驱动RAF的转动以实现目标RAF转速。
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公开(公告)号：US20240367801A1
公开(公告)日：2024-11-07
申请号：US18775044
申请日：2024-07-17
Applicant: Hamilton Sundstrand Corporation
Inventor： Brian R. Shea , Peter Zywiak , Luke Martin
Abstract: A method of operating an aircraft air conditioning system is includes delivering cabin air to a lower recirculation heat exchanger included in a lower cooling zone to generate lower cooled recirculated cabin air and delivering the cabin air to an upper recirculation heat exchanger included in an upper cooling zone to generate upper cooled recirculation air. The method further comprising generating power via a power system, and invoking, via the controller, a recirculation ground maintenance mode to command the power system to deliver power to one or both of the lower cooling zone and the upper cooling zone so as to output one or both of the lower cooled recirculated cabin air and the upper cooled recirculated cabin to an aircraft cabin.
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公开(公告)号：US12065250B2
公开(公告)日：2024-08-20
申请号：US17116224
申请日：2020-12-09
Applicant: Hamilton Sundstrand Corporation
Inventor： Brian R. Shea , Peter Zywiak , Luke Martin
CPC classification number: B64D13/06 , B64D13/02 , B64D13/08 , B64D41/00 , B64D2013/0611 , B64D2013/0618 , B64D2013/0688
Abstract: An aircraft air conditioning system includes a lower cooling zone and an upper cooling zone. The lower cooling zone includes a lower recirculation heat exchanger configured to receive cabin air from a cabin and convert the cabin air into lower cooled recirculated cabin air. The upper cooling zone includes an upper recirculation heat exchange configured to receive the cabin air from the cabin and convert the cabin air into upper cooled recirculated cabin air. A power system selectively delivers power to the lower cooling zone and the upper cooling zone. A controller is in signal communication with the power system. The controller determines a target temperature of the cabin and invokes a recirculation ground maintenance mode that commands the power system to deliver power to one or both of the lower cooling zone and the upper cooling zone so that a temperature of the cabin reaches the target temperature.
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公开(公告)号：US10267325B2
公开(公告)日：2019-04-23
申请号：US14563589
申请日：2014-12-08
Applicant: Hamilton Sundstrand Corporation
Inventor： Thomas M. Zywiak , John M. Beck , Peter Zywiak
Abstract: A method and apparatus for operating an air cycle machine is disclosed. The apparatus includes a detector for measuring a rotational speed of a component of the air cycle machine. A processor estimates a rate of change of rotational speed of the component from the measured rotational speed and shuts down the air cycle machine when the estimated rate of change of the rotational speed of the component is greater than a selected rate threshold.
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