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Printed circuit board arrangement, oil pump having same; use of printed circuit board arrangement, and production method

A technology for circuit boards and oil pumps, applied in circuits, electrolytic capacitors, capacitor shells/packages, etc., can solve the problems of increased material costs for circuit boards, troublesome manufacturing of electrolytic capacitors, and increased structural size, so as to avoid adverse effects and reduce procurement costs , the effect of simplifying manufacturing

Inactive Publication Date: 2018-03-27
BUHLER MOTOR GMBH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The disadvantage of this method of construction of the electrolytic capacitor is its cumbersome manufacture
Moreover, the structural dimensions of the individual electrolytic components are thus increased, which leads to increased material costs for the circuit board
Also, electrolytic capacitors filled with gas-absorbing materials are more expensive

Method used

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  • Printed circuit board arrangement, oil pump having same; use of printed circuit board arrangement, and production method

Examples

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Embodiment Construction

[0027] The figure shows a circuit board 1 on which two electronic components 2 are mounted. Electronic component 2 is preferably designed as an electrolytic capacitor. In order to protect the electrolytic capacitors or the electronic components 2 , a protective cover 4 is provided which is arranged on the circuit board 1 and covers the electronic components 2 . The protective cover is preferably closed to the circuit board 1 over the entire circumference, so that a completely enclosed space is obtained below the protective cover 4 in which the electronic components 2 are arranged.

[0028] A distance is provided between the protective cover 4 and the electronic component 2 . Rather, the electronic component 2 is arranged at a distance from the protective cover 4 or from the inner surface of the protective cover 4 in all directions. The free space between the protective cover 4 and the electronic component 2 forms a gas collection space. The gas collecting space can in princ...

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PUM

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Abstract

The invention relates to a printed circuit board arrangement, comprising a printed circuit board (1), at least one electronic component (2), in particular an electrolytic capacitor that is arranged onthe printed circuit board (1), and a liquid-tight sheathing (5) that encloses the printed circuit board (1) and the electronic component (2), wherein between the electronic component (2) and the sheathing (5), a gas collection chamber is provided. The invention further relates to an oil pump having such a printed circuit board arrangement, to the use of such a printed circuit board arrangement, and to a production method.

Description

technical field [0001] The invention relates to a circuit board device, an oil pump with the circuit board device, the use and manufacturing method of the circuit board device. Background technique [0002] In order to control an oil pump, in particular an oil pump in a transmission, circuit board arrangements are used in practice, which comprise a circuit board with one or more electronic components. In this case, a plurality of electronic components are arranged on a circuit board and are connected to one another by means of the circuit board. In order to avoid direct contact between the oil delivered by the oil pump and the circuit board or the electronic components, it is practical to provide the circuit board and the electronic components with a liquid-tight and oil-resistant encapsulation. Plastic coatings are often used as encapsulations, which are applied sealingly to the circuit boards and electronic components. [0003] Many electronic components, especially elec...

Claims

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Application Information

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IPC IPC(8): H01G9/08H01G2/00
CPCH01G2/06H01G9/0003H01G9/08H01G9/14H05K5/065
Inventor 奥拉夫·里希特拉尔夫·伯姆
Owner BUHLER MOTOR GMBH
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