Image forming apparatus
US8465132B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Aug 26, 2010 |
| Grant date | Jun 18, 2013 |
| Priority date | — |
| Expiry date | Sep 9, 2031 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB41J2/17596
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
An image forming apparatus is disclosed that includes the pressure adjusting valve including a movable member movably disposed in the pressure adjusting valve, a first throttling part; and a second throttling part, wherein the second throttling part is formed as a gap between an internal wall of the frame of the pressure adjusting valve and the movable member, an internal fluid resistance of the pressure adjusting valve varies in response to the flow rate of the liquid, and when the liquid is discharged from the nozzle, the liquid is fed from the liquid tank to the recording head by the liquid feeding unit in a state where the recording head is in fluid communication with the liquid tank via the pressure adjusting valve.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.