Variable test air apparatus
US4478336A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Nov 15, 1982 |
| Grant date | Oct 23, 1984 |
| Priority date | — |
| Expiry date | Nov 15, 2002 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB07C5/3404
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A variable speed machine for continuous testing of articles by use of processing air including: a shaft member rotatably supported on a frame and driven by a variable speed motor, a transfer wheel with a plurality of article holding pockets affixed to the shaft member, sealing apparatus mounted on the shaft member and associated with each article holding pocket and an extendable and retractable apparatus for sealingly engaging a portion of an article carried by an associated pocket during a testing period, pressurizing apparatus associated with the sealing apparatus for providing pressurized air to the seal and the test article, control valve apparatus for regulating the air pressure to the seal and the test article, shaft rotational speed monitoring apparatus providing a speed based signal and processing means for controlling operation of the control valve apparatus based on the speed based signal to provide an optimum air pressure to the sealing apparatus and associated test article.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.