Semi-active magneto-rheological fluid dual-mass flywheel
A dual-mass flywheel and magnetorheological fluid technology, applied in the flywheel and other directions, can solve the problem of uncontrollable damping of the dual-mass flywheel, and achieve the effects of improving NVH performance, improving service life and reducing energy consumption
Inactive Publication Date: 2015-09-30
JILIN UNIV
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Problems solved by technology
[0007] The technical problem to be solved by the present invention is to overcome the problem of uncontrollable damping of the dual-mass flywheel in the prior art, and provide a semi-active magnetorheological fluid dual-mass flywheel
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[0041] The present invention is described in detail below in conjunction with accompanying drawing:
[0042] The present invention applies the magnetorheological technology to the dual-mass flywheel, and provides a dual-mass flywheel with a new structure, which includes the selection of the working gap of the magnetorheological fluid, the sealing of the magnetorheological fluid sealing cavity, the arrangement of the excitation device, etc. , to realize the semi-active control of dual-mass flywheel damping, and to meet the requirements of low-frequency vibration reduction and high-frequency noise reduction within the operating frequency range of the vehicle, thereby improving the ride comfort in the vehicle and improving the NVH performance of the vehicle.
[0043] The semi-active magnetorheological fluid double-mass flywheel of the present invention includes a primary flywheel assembly, a secondary flywheel assembly, a torsional shock absorber, an excitation device and magnetor...
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The invention discloses a semi-automatic magneto-rheological fluid dual-mass flywheel which aims to solve the problem that in the prior art, a dual-mass flywheel is uncontrollable in damping. The semi-automatic magneto-rheological fluid dual-mass flywheel comprises a primary flywheel component, a secondary flywheel component, two arc-shaped springs (11), an excitation device and a magneto-rheological fluid (8). The secondary flywheel component is arranged on the primary flywheel component on the left side through a sliding bearing (15) in a sleeved mode, a gap, namely, a seal cavity which is filled with the magneto-rheological fluid (8), is reserved between the radial right side and the axial right side of the space between the primary flywheel component and the secondary flywheel component, the two arc-shaped springs (11) are symmetrically installed in two arc-shaped grooves of the primary flywheel component, the arc-shaped grooves are the same in structure, one end of each arc-shaped groove (11) abuts against the end face of the corresponding arc-shaped groove, the other ends of the two arc-shaped springs (11) are sequentially and fixedly welded with the side faces of side lug plates of a force transferring plate (13) in the secondary flywheel component, the two side lug plates are the same in structure and the excitation device is fixed around the secondary flywheel component.
Description
technical field [0001] The invention relates to a transmission vibration reduction and damping part of an automobile, more precisely, the invention relates to a semi-active magneto-rheological fluid double-mass flywheel. Background technique [0002] 1. Magneto-rheological fluid effect [0003] The magnetorheological effect means that the magnetorheological fluid can flow freely without the action of a magnetic field, showing the behavior of Newton fluid; after an external magnetic field is applied, it can change from a liquid state to a solid state in an instant (milliseconds). Viscosity suddenly increases several orders of magnitude to lose fluidity, showing the behavior of Bingham viscoplastic body, with a certain shear resistance yield stress, with the increase of the applied magnetic field intensity, the yield stress of magnetorheological fluid increases; and the magnetic flow This change of the rheological fluid is continuous and reversible, that is, once the magnetic...
Claims
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IPC IPC(8): F16F15/31
Inventor 陈志勇史文库王世朝孙宁毛阳陈志远邬广铭
Owner JILIN UNIV