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    • 7. 发明授权
    • Resin system for filament winding of pressure vessels
    • 用于压力容器丝缠绕的树脂系统
    • US4255302A
    • 1981-03-10
    • US95126
    • 1979-11-15
    • Leo G. AdamsRichard E. Hoffman
    • Leo G. AdamsRichard E. Hoffman
    • C08G59/22C08G59/50C08L63/02C08L63/00C08L77/10
    • C08G59/226C08G59/5033
    • An epoxy resin system for use in the wet winding of high strength filament wound pressure vessels with aramide fiber. The resin system is composed of a mixture of a plurality of distinct epoxy resins and aromatic curing agents. The epoxy resins were selected to impart particular properties required for the filament winding process and to improve the strength of filament wound pressure vessels. Aromatic amine curing agents were selected to alter the time/temperature gel and cure conditions of the system without significantly altering the final strength of the pressure vessels. The resin system is nominally composed of a mixture of a commercially available epoxy resins comprising diglycidyl ether of bisphenol A, a diglycidyl ester of linoleic dimer acid, and a diglycidyl ether of butanediol and the aromatic amine curing agent comprises a mixture of methylenedianiline and metaphenylenediamine in a 60/40 ratio by weight. The ratios of the components are selected to meet the specific processing needs and the final product requirements.
    • 一种环氧树脂体系,用于高强度丝缠绕压力容器与芳族聚酰胺纤维的湿式缠绕。 树脂体系由多种不同的环氧树脂和芳香族固化剂的混合物构成。 选择环氧树脂以赋予纤维缠绕过程所需的特定性能并提高长丝缠绕压力容器的强度。 选择芳族胺固化剂以改变体系的时间/温度凝胶和固化条件,而不显着改变压力容器的最终强度。 树脂体系名义上由包含双酚A的二缩水甘油醚,亚油酸二聚酸的二缩水甘油酯和丁二醇的二缩水甘油醚的市售环氧树脂的混合物组成,芳族胺固化剂包括亚甲基二苯胺和间苯二胺的混合物 60/40重量比。 选择组件的比例以满足特定的加工需求和最终产品要求。
    • 10. 发明授权
    • Medical gas alarm system
    • 医用气体报警系统
    • US5057822A
    • 1991-10-15
    • US578625
    • 1990-09-07
    • Richard E. Hoffman
    • Richard E. Hoffman
    • A61M16/10G08B21/18
    • G08B21/182A61M16/10A61M16/0051A61M2016/0027Y10T137/8242Y10T137/8326
    • A medical gas alarm system is provided which includes a sensor unit pneumatically connected to a medical gas supply line and a switch connected to a valve in the supply line for detecting the open condition of the valve. In the event either the sensor detects a high pressure or low pressure condition in the supply line or the switch is activated by closing of the valve, an alarm signal is received by an alarm module and an alarm is activated. The alarm may be visual, audible or both. During normal operations, the alarm module displays both a system on condition and a digital display indicating the pressure in the supply line. The invention also includes a method of monitoring the condition of a medical gas delivery system which includes sensing the pressure in the gas supply line, detecting the open condition of the valve, transmitting an alarm signal to an alarm module in response to alarm conditions detected either as a result of improper pressure or valve closure, and generating a humanly perceptible alarm warning in response to receipt of an alarm signal.
    • 提供了一种医疗气体报警系统,其包括气动连接到医疗气体供应管线的传感器单元和连接到供应管线中用于检测阀的打开状态的阀门的开关。 如果传感器检测到供应管路中的高压或低压状态,或者关闭阀门来启动开关,则报警模块接收到报警信号,并启动报警。 警报可能是视觉,听觉或两者。 在正常操作期间,报警模块同时显示系统状态和数字显示屏,指示供电线路中的压力。 本发明还包括一种监测医疗气体输送系统的状态的方法,其包括检测气体供应管线中的压力,检测阀的打开状态,响应于检测到的报警条件将报警信号传送到报警模块 由于不正确的压力或阀门关闭,并且响应于接收到报警信号而产生人为可察觉的报警警告。