A sealing device for a micro rotor engine

A rotary engine and sealing device technology, which is applied to the sealing device of the engine, the engine components, the machine/engine, etc., can solve the problems of complex structure and easy failure of the sealing device for the rotary engine, so as to improve the power and life, work reliably, Improve the effect of partial wear
CN106401786BActive Publication Date: 2019-05-03BEIJING INSTITUTE OF TECHNOLOGYGY
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
BEIJING INSTITUTE OF TECHNOLOGYGY
Publication Date
2019-05-03

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Abstract

The invention discloses a sealing device used for a micro-miniature rotor engine, relates to a sealing device used for a micro-miniature rotor engine and adopting a combined type of leaf springs and sealing pieces and belongs to the field of micro-miniature rotor engines. The sealing device comprises the sealing pieces and the leaf springs; each leaf spring is in a shape of an arc; and the middle portions of the two ends in the up-down direction are provided with grooves used for being in clearance fit with rib plates. The top end of each sealing piece is in a shape of an arc; the middle portion of each sealing piece is rectangular; the upper end and the lower end of the back portion of each sealing piece are provided with convex tables preventing the leaf springs from moving; and the rib plates reducing the gas leakage area are machined in the middles of the back portions of the sealing pieces. The rib plates are in clearance fit with the grooves formed in the end portions of the leaf springs, and the grooves in the upper sides and the lower sides of the leaf springs can stride cross the two sides of each rib plate. During installation, the back portions of the leaf springs make contact with the portions of the bottoms of rotor sealing grooves, and the tops of the sealing pieces make contact with the inner wall of a cylinder. By means of the sealing device, the abrasion amount of the sealing pieces can be reduced, eccentric abrasion of the sealing pieces in the working process can be improved, the power and the service life of the micro-miniature rotor engine are improved, and installing is convenient.
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Description

technical field

[0001] The invention relates to a sealing device for a micro-rotor engine, in particular to a sealing device for a micro-rotor engine in the form of a combination of a spring plate and a sealing plate, and belongs to the field of a micro-rotor engine. Background technique

[0002] With the development of micro-electro-mechanical systems (MEMS), the development of micro-energy systems with small volume, light weight, high energy density, and continuous operation has become the focus of attention in various countries. Compared with conventional power supply equipment, micro-engines use hydrocarbons as fuels, and their energy density is higher than that of battery systems. Due to the development of fuel diversification, they also have the potential for low cost. Therefore, micro-engines will have a wide range of application prospects in electronic devices in various industries such as industry, agriculture, environmental protection, and medical care.

[0003] T...

Claims

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