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公开(公告)号：US07430492B2
公开(公告)日：2008-09-30
申请号：US11491772
申请日：2006-07-24
摘要： The invention concerns a device and method for checking the state of an accumulator with energy reserve that is connected to a fluid system. According to the invention, the fluid system is first of all pressurized and this fluid is maintained at an operating pressure PF for at least a time τ so as to ensure the stabilization of this fluid system. Then the pressurisation of the fluid system is stopped and the time Δt taken by the system to pass from a predetermined pressure P1 to a predetermined pressure P2, with P2
摘要翻译： 本发明涉及一种用于通过连接到流体系统的能量储备来检查蓄能器的状态的装置和方法。 根据本发明，流体系统首先被加压，并将该流体保持在操作压力P 1至少一个时间τ，以确保该流体系统的稳定性。 然后停止流体系统的加压，并且系统采取的时间Deltat从预定压力P 1> 1传递到预定压力P 2> 2，其中P 2
。 该期间将Deltat与预定的参考时间T ref进行比较。
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2.发明授权公开(公告)号：US06703355B2
公开(公告)日：2004-03-09
申请号：US09922088
申请日：2001-08-03
IPC分类号： C10M10574
CPC分类号： F16N15/00 , C10M169/00 , C10M169/04 , C10M169/044 , C10M2205/0206 , C10M2207/026 , C10M2207/0406 , C10M2207/1225 , C10M2207/1245 , C10M2207/24 , C10M2207/2825 , C10M2207/301 , C10M2209/084 , C10M2215/06 , C10M2215/064 , C10M2215/065 , C10M2219/044 , C10M2223/0405 , C10M2223/0415 , C10N2220/086 , C10N2240/08
摘要： The present invention is a method for operating a hydraulic system at pressures of about 4000 psi or higher, preferably about 5000 psi or higher by using as the lubricant a phosphate ester hydraulic oil comprising a fire resistant phosphate esters base stock, a viscosity index improver, an anti erosion agent, an acid scavenger. The fluid used in the present method can also contain rust inhibitors and/or antioxidants.
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公开(公告)号：US20070118325A1
公开(公告)日：2007-05-24
申请号：US11491772
申请日：2006-07-24
IPC分类号： G01L19/00
摘要： The invention concerns a device and method for checking the state of an accumulator with energy reserve that is connected to a fluid system. According to the invention, the fluid system is first of all pressurized and this fluid is maintained at an operating pressure PF for at least a time τ so as to ensure the stabilization of this fluid system. Then the pressurisation of the fluid system is stopped and the time Δt taken by the system to pass from a predetermined pressure P1 to a predetermined pressure P2, with P2
摘要翻译： 本发明涉及一种用于通过连接到流体系统的能量储备来检查蓄能器的状态的装置和方法。 根据本发明，流体系统首先被加压，并将该流体保持在操作压力P 1至少一个时间τ，以确保该流体系统的稳定性。 然后停止流体系统的加压，并且系统采取的时间Deltat从预定压力P 1> 1传递到预定压力P 2> 2，其中P 2
。 该期间将Deltat与预定的参考时间T ref进行比较。
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