Material supply system with valve assembly
US10753483B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Nov 16, 2017 |
| Grant date | Aug 25, 2020 |
| Priority date | — |
| Expiry date | Apr 13, 2038 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16K35/02
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A material supply assembly includes a valve assembly having an outer valve member and an inner valve member rotatable relative to the outer valve member. A plurality of discharge seals may be provide between the outer valve member and the inner valve member, with one of the discharge seals extending around openings of the outer valve member or openings of the inner valve member. A first circumferential seal may also be provided. An engagement structure including a plurality of spaced apart vertical engagement projections and a plurality of complementary configured engagement recesses may be provided between the valve assembly and the base. A locking arm having a locking member may be provided with the locking member positioned in a locking receptacle. A projection engages the locking arm to move the locking member from the locking receptacle.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.