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Motor oil pump assembly, steering system and vehicle

An oil pump and assembly technology, applied in the field of vehicle manufacturing, can solve the problems of high vibration and noise, high production cost, and large installation space, and achieve the effects of low working noise, light weight, and low manufacturing cost

Active Publication Date: 2019-06-25
BYD CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Furthermore, the vibration noise generated by the oil pump assembly during the working process is relatively large. In related technologies, various damping elements are often used to isolate the noise. The structure of the damping element is complicated, takes up a large installation space, and the production cost is high. Complicated, room for improvement

Method used

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  • Motor oil pump assembly, steering system and vehicle
  • Motor oil pump assembly, steering system and vehicle
  • Motor oil pump assembly, steering system and vehicle

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Embodiment Construction

[0036] Embodiments of the present invention are described in detail below, examples of which are shown in the drawings, wherein the same or similar reference numerals designate the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the figures are exemplary and are intended to explain the present invention and should not be construed as limiting the present invention.

[0037] In the present invention, the terms "first" and "second" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance or implicitly specifying the quantity of indicated technical features. Thus, the features defined as "first" and "second" may explicitly or implicitly include at least one of these features. In the description of the present invention, "plurality" means at least two, such as two, three, etc., unless otherwise specifically defined.

[0038] The present inven...

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PUM

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Abstract

The invention discloses a motor and oil pump assembly, a steering system and a vehicle. The motor and oil pump assembly comprises a motor module, an oil pump module, an inner sound-proof cover, a pre-tightening buffering module and a safety valve. An oil outlet channel of the oil pump assembly is provided with an energy absorbing portion. The inner sound-proof cover covers the outer side of the oil pump assembly. The oil pump module and the inner sound-proof cover define an inner sound-proof cavity filled with low-pressure oil. The inner sound-proof cavity communicates with a low-pressure cavity of the oil pump module. The pre-tightening buffering module is clamped between the upper end cover and the inner sound-proof cover and communicates with a high-pressure cavity of the oil pump module. The safety valve is arranged to conduct decompression when the pressure of the high-pressure cavity is larger than a preset pressure value. The motor and oil pump assembly is high in lightening level, low in work noise, small in impulse fluctuation, stable in output and high in work energy efficiency.

Description

technical field [0001] The invention belongs to the technical field of vehicle manufacturing, and in particular relates to a motor oil pump assembly, a steering system with the motor oil pump assembly and a vehicle with the steering system. Background technique [0002] The motor oil pump assembly is widely used in the steering system of the vehicle. In the related art, the oil pump assembly is immersed in high-pressure oil, and the outside of the oil pump assembly is a high-pressure chamber, which makes it necessary to design a high-strength housing to seal the high-pressure chamber. The casting process and the sealing performance of the high-pressure chamber are very demanding, and the thickness of the shell is relatively large, which does not meet the requirements of light weight. Furthermore, the vibration noise generated by the oil pump assembly during the working process is relatively large. In related technologies, various damping elements are often used to isolate th...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F04B17/03F04B53/00F04B53/16F04C11/00F04C15/00F04D13/06F04D29/66F04D29/40B62D5/06
CPCB62D5/064F04B17/03F04B53/001F04B53/002F04B53/003F04B53/16F04C11/008F04C15/00F04C2240/30F04D13/0606F04D29/406F04D29/669
Inventor 杨胜麟李军
Owner BYD CO LTD