10results about "Timed pressure lubrication" patented technology

The invention provides a response control method and device of a generator set and a computer readable storage medium, and belongs to the technical field of generator control. When the generator set is in the standby state, engine oil pre-supply operation is executed to meet the preset lubricating condition, and in the process of executing the engine oil pre-supply operation, the water temperature of the engine is monitored and controlled to be within the preset temperature range; the engine oil pre-supply operation comprises the step of pre-supplying engine oil at the initial stage of power-on of the generator set and after operation of the generator set is finished, and the preset lubricating condition comprises that the engine oil pressure reaches a preset standard; and under the conditions that the generator sets meet the preset lubrication condition, the water temperature of the engine is within the preset temperature range and the multiple generator sets meet the parallel operation condition, the multiple generator sets are controlled to be subjected to parallel operation, and the parallel operation condition includes that the total load requirement is larger than the rated output power of the single generator set. According to the scheme, the problem that the response time of a generator set in the prior art is long is solved.

A large engine, in particular a marine engine or a power plant engine, and a method of lubricating the engine using spray injectors, in particular SIP injectors. According to the method, a controller is provided which is configured to vary and control the pressure in the lubricant supply conduit within a desired pressure range, and the desired pressure depends on a measurement of the engine load and the actual pressure in the lubricant supply conduit.

The application provides a response control method, device and computer readable storage medium of a generator set, and belongs to the technical field of generator control. When the generator set is in a standby state, a machine oil pre-provision operation is performed to meet a preset lubrication condition, and during the execution of the machine oil pre-provision operation, the engine water temperature is monitored and controlled to be within a preset temperature range. The machine oil pre-provision operation includes pre-provisioning of machine oil at a power-on initial stage of the generator set and after the end of operation of the generator set. The preset lubrication condition includes that the machine oil pressure reaches a preset standard. When the generator set meets the preset lubrication condition, the engine water temperature is within the preset temperature range, and a plurality of generator sets meet parallel connection conditions, the plurality of generator sets are controlled to be parallel connected, and the parallel connection conditions include that the total load demand is greater than the rated output power of a single generator set. The scheme solves the problem of long response time of the generator set in the prior art.

The invention discloses a lubricating system capable of accelerating degassing and shortening engine oil pressure establishment time, relates to the technical field of engine oil lubrication, and solves the technical problem that an existing engine starting mode easily causes irreversible initial wear to an engine. The system comprises an electric pre-feed oil pump oil inlet pipe, an electric pre-feed oil pump oil outlet pipe and an electric pre-feed oil pump, the oil pan pipeline connector is connected with the electric pre-supply oil pump through the electric pre-supply oil pump oil inlet pipe, the electric pre-supply oil pump is connected with the engine oil filter through the electric pre-supply oil pump oil outlet pipe, and the engine oil filter is connected with a main oil duct of an engine through the engine oil filter oil outlet pipe and the main oil duct supply oil pipe. Before an engine is started, a pre-oil-supply strategy is triggered to quickly start the engine. Direct friction between metal parts of the engine is reduced, and abrasion and power loss are reduced.

A large engine, in particular a marine engine or a power plant engine, and a method of lubricating the engine with an injector. The invention relates to a method and an engine, both configured for cyclic operation in which pressurized liquid is provided by a common rail system in an injection phase, in which all injectors are connected to a lubricant supply conduit, in which the method and engine are configured to operate within a range of parameters in which the values of six parameters are selected such that the cavitation number is less than 1.5 such that, for the intended operation, the number of injectors is less than 1.5. The ratio of the resultant force acting on the valve needle to the mass of the valve needle is higher than 50 m / s < 2 >.

A large engine, in particular a marine engine or engine for power plants, and a method of lubricating the engine with injectors. The method and engine are arranged for cyclic operation and cyclic operation and in the injection phase, providing pressure-liquid through a common rail system where all injectors are connected to the lubricant supply conduit and wherein the method and engine is arranged for operating within the following parameters:and wherein the values of the six parameters are selected so that the cavitation number is smaller than 1.5 and so that the ratio of the resulting force acting on the needle to the mass of the needle is above 50 m / s2 for the intended operation.

A lubricant supply assembly for a gaseous fuel internal combustion engine, comprising a pressure source module (10) and at least one lubricant doser (31) arranged to release lubricant into a gaseous fuel flow, the lubricant doser including a pumping chamber (35) communicating with a lubricant outlet port (38), and a pumping plunger (34) that is adapted to displace lubricant from the pumping chamber in order to release a defined volume of lubricant during a delivery process, a supply port (36) from which low-pressure lubricant is fed to the pumping chamber and a control port (42) where high-pressure lubricant may be applied to actuate the pumping plunger, wherein the pressure source module comprises: • - a lubricant tank (12) for storing liquid lubricant; • - a first port (12a) fluidly coupled to the supply port of the lubricant dozer; • - a second port (12b) fluidly coupled to the control port of the lubricant dozer; • - a pump (14) in fluid communication with the lubricant tank, the first port and the second port, the pump being operable at a first pressure level P 1 and at a second pressure level P 2; • - a shutoff valve (16) arranged to selectively enable flow from the pump to the first port; and • - a check valve (18) configured to enable flow from the pump to the second port; the check valve having an opening pressure P v, which is greater than the first pressure level P 1 and smaller than the second pressure level P 2.

A large engine, in particular a marine engine or engine for power plants, and a method of lubricating the engine with spray injectors, in particular SIP injectors. According to the method there is provided a controller arranged for varying and con- trolling the pressure in the lubricant supply conduit within a desired pressure range and basing the desired pressure on the engine load and a measurement of the actual pressure in the lubricant supply conduit.

To provide a cylinder oil-filling system which can efficiently fill a piston reciprocating in a cylinder with a lubricant.SOLUTION: A cylinder oil-filling system being one embodiment of this invention comprises: an oil syringe for filling a piston reciprocating in a cylinder of a marine internal combustion engine with a lubricant through an oil-filling rod arranged at the cylinder; an electromagnetic valve for accumulating the lubricant in the oil syringe in a closed state, and making the oil syringe fill the piston with the lubricant in an open state; and a control device. The control device derives an oil-filling rate of the lubricant according to an engine load, decides an oil-filling frequency and the oil-filling timing of the lubricant to a piston upper side part of the piston and a skirt part at the derived oil-filling rate, and controls the opening / closing drive of the electromagnetic valve so that the oil syringe fills the piston with the lubricant at the decided oil-filling frequency and the oil-filling timing.SELECTED DRAWING: Figure 1