A flushing method for a lubricating oil system includes a step of performing precedent inside oil flushing for bearing box, by connecting an oil supply pipe and a flushing apparatus mounted to a bearing box to each other by a bypass pipe while bypassing an internal pipe that is provided in the bearing box and introduces an oil supplied from the oil supply pipe to a part between a rotor of a turbine and a bearing, supplying the oil from the oil supply pipe to the flushing apparatus through the bypass pipe, and injecting the oil from the flushing apparatus into the bearing box, to thereby perform oil flushing for the inside of the bearing box; and a final oil flushing step of supplying the oil from the oil supply pipe to an internal pipe, to thereby perform oil flushing for the inside of the lubricating oil system, after the step of performing precedent inside oil flushing for bearing box.

A flushing method for a lubricating oil system includes a step of performing precedent inside oil flushing for bearing box, by connecting an oil supply pipe and a flushing apparatus mounted to a bearing box to each other by a bypass pipe while bypassing an internal pipe that is provided in the bearing box and introduces an oil supplied from the oil supply pipe to a part between a rotor of a turbine and a bearing, supplying the oil from the oil supply pipe to the flushing apparatus through the bypass pipe, and injecting the oil from the flushing apparatus into the bearing box, to thereby perform oil flushing for the inside of the bearing box; and a final oil flushing step of supplying the oil from the oil supply pipe to an internal pipe, to thereby perform oil flushing for the inside of the lubricating oil system, after the step of performing precedent inside oil flushing for bearing box.

A lubricating device of a power transmitting system having a structural member. The lubricating device includes an oil piping assembly fixed to the structural member at a plurality of positions and having an oil passage through which a lubricant oil flows. The oil piping assembly is a resin piping assembly including a plurality of divisional components which cooperate to define a circumference of the oil passage along a length of the oil passage and which are formed of a resin material. The divisional components have respective interfacial surfaces and are bonded together with interfacial surfaces thereof being held in contact with each other. The divisional components of the resin piping assembly include a base divisional component provided with a plurality of fixing portions, and the resin piping assembly is fixed to the structural member at the plurality of positions through only the fixing portions.

A lubricating device of a power transmitting system having a structural member. The lubricating device includes an oil piping assembly fixed to the structural member at a plurality of positions and having an oil passage through which a lubricant oil flows. The oil piping assembly is a resin piping assembly including a plurality of divisional components which cooperate to define a circumference of the oil passage along a length of the oil passage and which are formed of a resin material. The divisional components have respective interfacial surfaces and are bonded together with interfacial surfaces thereof being held in contact with each other. The divisional components of the resin piping assembly include a base divisional component provided with a plurality of fixing portions, and the resin piping assembly is fixed to the structural member at the plurality of positions through only the fixing portions.

Embodiments of a cold start lubricant distribution system include a lubricant distribution circuit, which fluidly interconnects first and second actively-lubricated work vehicle assemblies onboard a work vehicle. A flow divider section is included in the lubricant distribution circuit and through which lubricant flow is apportioned between the first and second actively-lubricated work vehicle assemblies. A lubricant supply pump is further located in the lubricant distribution circuit upstream of the flow divider section. The cold start lubricant distribution system further includes a lubricant flow modification assembly operably in a cold start mode. When operating in the cold start mode, the lubricant flow modification assembly reduces a volume of lubricant flow supplied to the first actively-lubricated work vehicle assembly through the flow divider section relative to a volume of lubricant flow supplied to the second actively-lubricated work vehicle assembly through the flow divider section.

Embodiments of a cold start lubricant distribution system include a lubricant distribution circuit, which fluidly interconnects first and second actively-lubricated work vehicle assemblies onboard a work vehicle. A flow divider section is included in the lubricant distribution circuit and through which lubricant flow is apportioned between the first and second actively-lubricated work vehicle assemblies. A lubricant supply pump is further located in the lubricant distribution circuit upstream of the flow divider section. The cold start lubricant distribution system further includes a lubricant flow modification assembly operably in a cold start mode. When operating in the cold start mode, the lubricant flow modification assembly reduces a volume of lubricant flow supplied to the first actively-lubricated work vehicle assembly through the flow divider section relative to a volume of lubricant flow supplied to the second actively-lubricated work vehicle assembly through the flow divider section.

A sectional lubricant distributor for distributing lubricant to at least one lubrication point, including a distributor body having an inlet opening for lubricant which is fluidically connected to at least one outlet passage, which opens into an outlet opening of the distributor body, a rotary valve is rotatably mounted in the distributor body and is adjustable between an open position of the rotary valve, in which the outlet passage is open in order to allow lubricant to pass through to the outlet opening, and a closed position of the rotary valve, in which the outlet passage is closed, an electromotive drive which is coupled to a control gear, including a control gearwheel having a control toothing section engageable with a toothing of the rotary valve to move the rotary valve between the open position and the closed position. Further, a method for distributing lubricant to at least one lubrication point.

A supply system has a pump unit and a support unit adapted to fit to the inner volume of a container holding a viscous fluid such as grease. The supply system pumps viscous fluid from a container (1) having an inner opening or volume, the supply system including a pump unit (2) having a pump (21) for pumping the fluid out of the container (1), and the supply system further includes a support unit (3)with a contact surface (7) facing the fluid inside the volume of the container (1) during operation wherein the support unit (3) is secured to the pump unit (2) such that the support unit and the pump unit (3, 2) move together, and the support unit (3) is movably mounted relative to the container (1) such that the support unit and the pump unit (3, 2) move relative to the container during operation.

A system and methods according to which a controller communicates control signals to a first frac leg, which includes a wellhead operably associated with a first wellbore, a valve operably coupled to the wellhead, opposite the first wellbore, a frac line operably coupled to the wellhead, and a zipper module operably coupled to the frac line, opposite the wellhead. The first frac leg includes a first sub-controller that receives control signals from the controller. A grease system lubricates the first frac leg and the zipper module. The grease system includes a second sub-controller that receives control signals from the controller. A second frac leg is operably associated with a second wellbore. The second frac leg includes a third sub-controller that receives control signals from the controller. The first, second, and/or third sub-controllers may receive control signals from the controller via a communication bus.

Improvements in machining systems that utilize machining fluids comprising a supercritical fluid are described. Some systems may provide centralized distribution of a supercritical machining fluid and/or a lubricant to a plurality of machining tools in a machining facility. Other systems may allow for selective delivery of multiple machining fluids to a machine tool. For example, a supercritical machining fluid and a non-supercritical machining fluid may be selectively delivered to a machining tool as desired for a particular machining process.