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    • 1. 发明授权
    • Refrigeration unit control with shutdown evaluation and automatic restart
    • 制冷单元控制具有关机评估和自动重启功能
    • US5454229A
    • 1995-10-03
    • US245266
    • 1994-05-18
    • Jay L. HansonDoyle G. HerrigStanley O. HoiumJames M. RoushJames E. Nixon
    • Jay L. HansonDoyle G. HerrigStanley O. HoiumJames M. RoushJames E. Nixon
    • B60H1/32F25B27/00F25B49/00F25D29/00F25B49/02
    • B60H1/3208F25B27/00F25B49/005F25D29/003F25B2500/26
    • Methods and apparatus for monitoring conditions which may cause shut down of a refrigeration unit. When a condition of the refrigeration unit is detected which requires shut down, a shut down counter is incremented and the shut down is made with the provision for automatic restart of the refrigeration unit in response to predetermined parameters of the refrigeration unit. When the predetermined parameters initiate automatic re-start of the refrigeration unit, a timer is started. If the refrigeration unit operates for a predetermined period of time without shut down, the counting means is reset. A shut down before expiration of the predetermined timing period again increments the shut down counter. In one embodiment, when a predetermined condition which may cause shut down approaches a predetermined shut down value, the methods and apparatus modify the operation of the refrigeration unit one or more times in an attempt to prevent shut down. A predetermined count value on the shut down counter prevents further automatic re-starts of the refrigeration unit. In a preferred embodiment, the monitored conditions which may cause shut down are the high side pressure of the refrigeration unit, and, when a refrigerant compressor is driven by an internal combustion engine, the temperature of the engine.
    • 用于监测可能导致制冷单元关闭的状况的方法和装置。 当检测到需要关闭的制冷单元的状态时,关闭计数器增加,并且响应于制冷单元的预定参数而使制冷单元自动重新启动进行关闭。 当预定参数启动制冷单元的自动再启动时,启动定时器。 如果制冷单元在预定时间段内操作而不关闭,则计数装置被复位。 在预定时间期限到期之前关闭再次增加关闭计数器。 在一个实施例中,当可能导致关闭的预定条件接近预定的关闭值时,方法和装置一次或多次地修改制冷单元的操作,以试图防止关闭。 关闭计数器上的预定计数值防止制冷单元进一步自动重启。 在一个优选实施例中,可能导致关闭的监视条件是制冷单元的高侧压力,并且当制冷剂压缩机由内燃机驱动时,发动机的温度。
    • 2. 发明授权
    • Method of converting a time based data logger to a time and random event
based data logger
    • 将基于时间的数据记录器转换为基于时间和随机事件的数据记录器的方法
    • US5564285A
    • 1996-10-15
    • US310527
    • 1994-09-22
    • Romuald M. JurewiczJames E. NixonAlbert C. K. WongJay L. HansonDoyle G. Herrig
    • Romuald M. JurewiczJames E. NixonAlbert C. K. WongJay L. HansonDoyle G. Herrig
    • B60H1/32F25D29/00G05B23/02G07C5/08F25B49/02
    • G07C5/085B60H1/3225B60H1/3232F25D29/003G05B23/027
    • A method of adding asynchronous logging of data relative to events into a time based data logger which stores operator initiated headers in a data array, as well as synchronously storing data relative to variables of a transport refrigeration unit at predetermined constant time intervals. The operator associated headers include a preamble having a predetermined number of data bytes which include a header designator and a digital code which identifies the specific type of header being entered. An event header is provided having a preamble which includes the same number of data bytes as the preamble of the operator associated headers, for each type of event to be asynchronously stored in the data array. The header designator associated with the operator associated headers is inserted into the preamble of each of the event headers. A digital code is provided which identifies each event header, and the digital code is inserted into the preamble of each of the event headers. A data field follows the preamble of each event header, with predetermined data being inserted into the data field when an event occurs. An event header is stored in the data array asynchronously, at the time the associated event occurs. Each event header is time stamped when stored in the data array, and data stored in the data array is downloaded to a predetermined device, including asynchronously stored event headers and synchronous data stored at predetermined time intervals.
    • 将相对于事件的数据的异步记录添加到基于时间的数据记录器中的方法,所述数据记录器将操作者发起的报头存储在数据阵列中,以及以预定的恒定时间间隔同步地存储与传送制冷单元的变量相关的数据。 运营商相关联的报头包括具有预定数量的数据字节的前导码,其包括报头指示符和标识正在输入的报头的特定类型的数字代码。 提供事件报头,其具有包括与操作者相关联的报头的前导码相同数量的数据字节的前同步码,用于要异步地存储在数据阵列中的每种类型的事件。 与操作员相关联的报头相关联的报头指示符被插入每个事件报头的前导码中。 提供了识别每个事件标题的数字代码,并且将数字代码插入每个事件标题的前导码中。 数据字段跟随每个事件标题的前导码,当事件发生时,预定的数据被插入到数据字段中。 在关联事件发生时,事件头将以异步方式存储在数据数组中。 每个事件标题被存储在数据阵列中时间戳,存储在数据阵列中的数据被下载到预定的设备,包括以预定的时间间隔存储的异步存储的事件标题和同步数据。
    • 3. 发明授权
    • Methods and apparatus for operating a refrigeration unit
    • 用于操作制冷单元的方法和装置
    • US5596878A
    • 1997-01-28
    • US494453
    • 1995-06-26
    • Jay L. HansonJames E. NixonStanley O. HoiumPeter W. Freund
    • Jay L. HansonJames E. NixonStanley O. HoiumPeter W. Freund
    • B60H1/00F25B1/047F25B5/02F25B27/00F25B29/00F25B49/02F25B13/00
    • B60H1/00007F25B1/047F25B27/00F25B29/003F25B49/02F25B5/02F25B2400/13
    • A refrigeration unit of the type having an economizer cycle driven by a prime mover cooled by a liquid coolant. Electrical control configures refrigerant flow paths of the unit to provide heating and cooling cycles, as required to control the temperature of a conditioned space to a predetermined set point temperature. Heat from the liquid coolant is used to enhance the heating cycle. A heating cycle is initiated immediately, when required, when the temperature of the liquid coolant is above a predetermined temperature. A heating cycle is delayed by a special refrigeration cycle which increases the load on the prime mover, when the temperature of the liquid coolant is not above the predetermined temperature. In a preferred embodiment of the invention, the special refrigeration cycle provides simultaneous heating and cooling cycles, which include evaporating liquid refrigerant in an evaporator associated with the conditioned space, as in a cooling cycle, while condensing hot gas refrigerant from the compressor in a condenser associated with the conditioned space, as in a heating cycle.
    • 这种类型的制冷装置具有由由液体冷却剂冷却的原动机驱动的节能循环。 电气控制根据需要配置单元的制冷剂流动路径以提供加热和冷却循环,以将调节空间的温度控制到预定的设定点温度。 来自液体冷却剂的热量用于增强加热循环。 当需要时,当液体冷却剂的温度高于预定温度时立即开始加热循环。 当液体冷却剂的温度不高于预定温度时,加热循环被延迟特殊的制冷循环,这增加了原动机的负荷。 在本发明的优选实施例中,专用制冷循环提供同时的加热和冷却循环,其包括在与冷却循环中相关联的蒸发器中蒸发液体制冷剂,同时冷凝来自压缩机的热气体制冷剂在冷凝器 与调节空间相关联,如在加热循环中。
    • 5. 发明授权
    • Refrigeration unit and method of operating same
    • 制冷机组及其运行方法
    • US5456088A
    • 1995-10-10
    • US152649
    • 1993-11-12
    • Jay L. HansonJames E. NixonDoyle G. HerrigGerald J. Ladendorf
    • Jay L. HansonJames E. NixonDoyle G. HerrigGerald J. Ladendorf
    • B60H1/32F25B27/00F25B49/02F25D29/00G05D23/19F25B49/00
    • G05D23/1912B60H1/3232F25B27/00F25B49/02F25D29/003
    • A refrigeration unit, and method of operating same, having a compressor driven by a prime mover. The prime mover is selectively operable in either a continuous mode which includes heating and cooling cycles, or in start-stop cycling mode which includes cooling and null cycles, to control the temperature of a conditioned space relative to a predetermined set point temperature. In one embodiment, the cycle mode is operable only when the set point temperature is in a predetermined temperature range, the limits of which are selectable. The prime mover is operated in the continuous mode, notwithstanding the selection of the cycle mode, when the set point temperature is not within the temperature range authorized for cycle operation. In other embodiments, the time duration and the upper temperature limit of the null cycle are both selectable, with an automatic override of the selected upper temperature limit being provided when the conditioned space contains a frozen load and the selected upper temperature limit of the null cycle would allow the temperature of the conditioned space to rise above a predetermined value. In still other embodiments, in which the prime move includes an engine and a battery, the minimum battery voltage which will re-start the engine to terminate a null cycle, and the minimum battery charging current which will enable the engine to be stopped to initiate a null cycle, are both selectable.
    • 制冷单元及其运行方法,具有由原动机驱动的压缩机。 原动机可以选择性地在包括加热和冷却循环的连续模式中操作,或者在包括冷却和零点循环的启动 - 停止循环模式中,以相对于预定设定点温度来控制调节空间的温度。 在一个实施例中,循环模式仅在设定点温度处于预定温度范围时可操作,其限制是可选择的。 尽管选择了循环模式,但当设定点温度不在允许循环运行的温度范围内时,原动机在连续模式下运行。 在其他实施例中,零周期的持续时间和温度上限都是可选择的,当被调节的空间包含冷冻负荷时,提供所选择的上限温度的自动覆盖,并且所选择的空循环的上限温度 将允许调节空间的温度升高到预定值以上。 在其他实施例中,主移动包括发动机和电池,将重新启动发动机以终止空循环的最小电池电压以及使发动机能够停止以启动的最小电池充电电流 一个零周期都可以选择。
    • 8. 发明授权
    • Pre-trip diagnostic methods for a transport refrigeration unit
    • 运输制冷机组的前往诊断方法
    • US5172561A
    • 1992-12-22
    • US877306
    • 1992-05-01
    • Jay I. HansonJames E. Nixon
    • Jay I. HansonJames E. Nixon
    • B60H1/32F25B27/00F25B49/00F25D29/00G05D23/19
    • F25B27/00B60H1/3225F25B49/005F25D29/003G05D23/19
    • Pre-trip operational methods and procedures for automatically checking predetermined functions and the operating performance of a transport refrigeration unit which includes a refrigerant compressor, and a prime mover for the refrigerant compressor which includes an internal combustion engine. The methods include the steps of measuring the current draw of predetermined electrical components with the prime mover stationary, starting the engine when the current draw is normal, determining if the speed of the engine is in an allowable range, commanding the unit to operate in a cooling mode, checking for adequate cooling capacity as a dynamic function of the temperatures of the return air, discharge air, and ambient air, commanding the unit to operate in a heating mode, determining if the unit is actually operating in the heating mode, and preparing an indication of a fault condition descriptive of any detected malfunction and/or marginal operating performance.
    • 用于自动检查包括制冷剂压缩机和包括内燃机的制冷剂压缩机的原动机的运输制冷单元的预定功能和操作性能的预脱扣操作方法和程序。 这些方法包括以下步骤:当原动机静止时测量预定电气部件的电流消耗,当电流消耗正常时启动发动机,确定发动机的速度是否在允许范围内,指示该单元在 冷却模式,作为返回空气,排出空气和环境空气的温度的动态功能来检查足够的冷却能力,命令单元在加热模式下操作,确定单元是否实际上在加热模式下运行,以及 准备描述任何检测到的故障和/或边际操作性能的故障状态的指示。
    • 10. 发明授权
    • Power assisted arthroscopic surgical device
    • 动力辅助关节镜手术器械
    • US4723545A
    • 1988-02-09
    • US825412
    • 1986-02-03
    • James E. NixonBruno Mombrinie
    • James E. NixonBruno Mombrinie
    • A61B17/32
    • A61B17/320016
    • A surgical instrument, particularly suited for arthroscopic surgery, for cutting tissue located at an interior site within the body of a patient. The instrument includes a body or handle portion from which an elongated stem extends. A blade is located at the free end of the stem. The blade includes a generally elongated cutting edge portion which extends generally parallel to the longitudinal axis of the instrument. Motor means is provided within the body portion for effecting the oscillation (reciprocal pivoting) of the cutting edge portion with respect to the body portion about the longitudinal axis through a small arc, e.g. 20.degree.-25.degree.. A retractable/extendable shroud (sheath) is provided to cover the blade and stem to enable the blade end of the instrument to be readily inserted into the body of the patient through a small opening while preventing exposure of any surrounding tissue to the blade. The shroud is retractable to expose the blade when cutting is desired. The cutting operation is effected by bringing the cutting edge portion into contact with the material to be cut while moving the edge portion therethrough as the blade is oscillated.
    • 一种特别适用于关节镜手术的手术器械,用于切割位于患者体内的内部部位的组织。 该仪器包括主体或手柄部分,细长杆从该部分延伸。 刀片位于杆的自由端。 叶片包括大致平行于仪器的纵向轴线延伸的大致细长的切割边缘部分。 马达装置设置在主体部分内,用于通过小弧度实现切割边缘部分相对于主体部分围绕纵向轴线的振荡(往复枢转)。 20°-25°。 提供可收缩/可延伸的护罩(护套)以覆盖刀片和杆,以使器械的刀片端能够通过小开口容易地插入患者体内,同时防止任何周围组织暴露于刀片。 当需要切割时,护罩可缩回以暴露刀片。 当刀片振动时,通过使边缘部分与待切割的材料接触而使边缘部分通过,从而实现切割操作。