Prepressed emergency air spring assembly
US11287007B2 · kind B2 · utility
0Cited by
2References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 2, 2018 |
| Grant date | Mar 29, 2022 |
| Priority date | — |
| Expiry date | Nov 16, 2038 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16F15/022
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A prepressed emergency air spring assembly includes an upper cover plate, an air bag, an upper end plate and a lower end plate. The periphery of the upper end plate is connected with an outer periphery of the lower end plate through the air bag. A steel spring is arranged between the upper cover plate and the upper end plate in a pressing mode. A plurality of hourglass elastomers are arranged between the upper cover plate and the upper end plate along a circumferential direction of the steel spring.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.