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30results about How to "Avoid insufficient responsiveness" patented technology

Gas intake and distribution system based on electric hydraulic control mode

The invention provides a gas intake and distribution system based on an electric hydraulic control mode and belongs to the technical field of internal combustion engines. An outlet and an inlet of a high pressure oil pipe are communicated with an oil inlet I and a high pressure oil outlet respectively, an outlet and an inlet of an oil return pipe I are communicated with a valve casing hole and an oil return hole I respectively, an outlet and an inlet of an oil return pipe II are communicated with an inlet of an oil return pipe III and an oil drain duct respectively, an inlet of an engine oil valve oil return pipe II is communicated with an engine oil valve oil return hole II, an inlet of an engine oil valve oil return pipe I is communicated with an engine oil valve oil return hole I, an outlet and an inlet of a low pressure oil pipe are communicated with a low pressure oil inlet and a low pressure oil pipe I respectively, and an inlet of the low pressure oil pipe I and an outlet of the oil return pipe III are arranged in an oil tank; a low pressure oil pipe II is connected with an inlet of an engine oil valve oil intake pipe and a one-way valve II in series, an outlet of the engine oil valve oil intake pipe is communicated with an engine oil valve oil inlet, and a stepping motor, a rotation outer valve cylinder position sensor and a camshaft position sensor are controlled by an electronic control unit. Valve seating impact is small, valve closing moment and lift control is flexible, throttle-valve-free control and a miller cycle can be achieved, reliability is high and manufacturing cost is low.
Owner:JILIN UNIV

Device and method for arranging S-shaped rubber band on napkin for incontinents

The invention relates to a device and a method for arranging an S-shaped rubber band on a napkin for incontinents. By the device and the method, a hipline arc-shaped rubber band can be accurately arranged on a napkin for incontinents in a conveying process of a production line of napkins for the incontinents. A servo motor is arranged on a support through a motor mounting plate; a mounting sleeve is fixed on a servo motor shaft through a flat key; the tail of a rubber band arranging head is fixed on a side of the mounting sleeve; a rubber band penetrating hole is formed in the head of the rubber band arranging head; the lower portion of a fixing block is connected with an end surface of the support; a hole is formed in the upper portion of the fixing block; and a star-shaped handle penetrates in the hole and is in screwed connection with a motor mounting plate. The device and the method for arranging the S-shaped rubber band on the napkin for the incontinents have the advantages that direct connection movement is realized by the servo motor, movement requirements on a high-speed machine of napkins for incontinents can be met, and phenomena that the response speed of guide tracks is insufficient and the guide tracks are easy to wear in the prior art are avoided; a servo motor head is directly connected to the arranging head, and the procedure response speed and the accuracy are greatly improved; and the structure is simplified, the time on machining and assembly of parts is greatly saved, and the cost is saved.
Owner:HANGZHOU CREATOR MACHINERY MFG

Hydraulic control device and hydraulic control method for vehicle

The hydraulic control device includes: a mechanical variable-capacity oil pump; and an electronic control unit configured to calculate a target discharge volume of the mechanical variable-capacity oil pump using a plurality of parameters of the transmission, and control the mechanical variable-capacity oil pump based on the target discharge volume.
Owner:TOYOTA JIDOSHA KK

Inlet and air distribution system based on electro-hydraulic control

The invention provides a gas intake and distribution system based on an electric hydraulic control mode and belongs to the technical field of internal combustion engines. An outlet and an inlet of a high pressure oil pipe are communicated with an oil inlet I and a high pressure oil outlet respectively, an outlet and an inlet of an oil return pipe I are communicated with a valve casing hole and an oil return hole I respectively, an outlet and an inlet of an oil return pipe II are communicated with an inlet of an oil return pipe III and an oil drain duct respectively, an inlet of an engine oil valve oil return pipe II is communicated with an engine oil valve oil return hole II, an inlet of an engine oil valve oil return pipe I is communicated with an engine oil valve oil return hole I, an outlet and an inlet of a low pressure oil pipe are communicated with a low pressure oil inlet and a low pressure oil pipe I respectively, and an inlet of the low pressure oil pipe I and an outlet of the oil return pipe III are arranged in an oil tank; a low pressure oil pipe II is connected with an inlet of an engine oil valve oil intake pipe and a one-way valve II in series, an outlet of the engine oil valve oil intake pipe is communicated with an engine oil valve oil inlet, and a stepping motor, a rotation outer valve cylinder position sensor and a camshaft position sensor are controlled by an electronic control unit. Valve seating impact is small, valve closing moment and lift control is flexible, throttle-valve-free control and a miller cycle can be achieved, reliability is high and manufacturing cost is low.
Owner:JILIN UNIV

Piston cooling apparatus of engine and method for controlling the same

A piston cooling apparatus of an engine and a method for controlling the same are provided. The piston cooling apparatus includes a piston cooling jet that has a first nozzle configured to spray oil towards an inner wall of a cylinder configured such that a piston reciprocates thereon, and a second nozzle configured to spray the oil towards the lower part of the piston. A jet control valve is installed to adjust a hydraulic pressure that is supplied from an oil pump to the piston cooling jet. A controller is configured to operate the jet control valve and adjust the hydraulic pressure discharged from the oil pump.
Owner:HYUNDAI MOTOR CO LTD +1
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