Amplitude limiting system of insulated aerial work platform
US10611618B2 · kind B2 · utility
Assignees
Inventors
Key dates
| Filing date | Mar 24, 2016 |
| Grant date | Apr 7, 2020 |
| Priority date | — |
| Expiry date | Sep 10, 2036 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB66F17/00
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
The present disclosure provides an amplitude limiting system of insulated aerial work platform, including an insulated aerial work platform having a telescopic arm, an insulated folding arm and retractable supporting legs, a luffing cylinder, a first pressure sensor, a balance valve, a selector valve, a flow meter, and a controller; the luffing cylinder is installed between the telescopic arm and the insulated folding arm and includes a hydraulic pressure chamber; the first pressure sensor is connected to the hydraulic pressure chamber of the luffing cylinder and is electrically connected to the controller; the balancing valve is arranged on the luffing cylinder; the selector valve is connected to the balance valve; the flow meter is connected in between the selector valve with the balance valve and is electrically connected to the controller.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.