Distributing valve for concrete pump and the concrete pump
US9188112B2 · kind B2 · utility
Assignees
Inventors
Key dates
| Filing date | Apr 18, 2011 |
| Grant date | Nov 17, 2015 |
| Priority date | — |
| Expiry date | Apr 25, 2032 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S417/90
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
A distributing valve for a concrete pump and the concrete pump are provided, the distributing valve comprises a valve body (200) and a valve core (300), and a delivering cavity (213) is internally formed in the valve body (200) and is provided with a material inlet, a material outlet (212) and material suction openings (251,252). The material outlet (212) is communicated with a delivery pipe and the material suction opening (251,252) is communicated with a delivery cylinder (500). The valve core (300) is a L-shaped pipe formed by a first pipe section (310) and a second pipe section (320), and one end of the L-shaped pipe is connected with a hopper (600) and a revolution fitting surface is formed between the end face of the other end of the L-shaped pipe and the internal face of the valve body (200).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.