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Browse Prior Art Database

Valve Vent Reservoir

IP.com Disclosure Number: IPCOM000052687D
Original Publication Date: 1981-Jun-01
Included in the Prior Art Database: 2005-Feb-11
Document File: 2 page(s) / 34K

Publishing Venue

IBM

Related People

Barteck, JC: AUTHOR

Abstract

The above drawing shows a device suitable for coupling to the valve of drop generator (not shown) to solve problems associated with thermocycling of the drop generator in an ink jet print system.

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Valve Vent Reservoir

The above drawing shows a device suitable for coupling to the valve of drop generator (not shown) to solve problems associated with thermocycling of the drop generator in an ink jet print system.

The device includes an ink reservoir interconnected by a pipe to the valve of a drop generator (not shown). The reservoir may be closed with a breather opening for venting the reservoir to atmosphere.

The reservoir must be disposed below the centerline of the nozzles (approximately two inches). The configuration will enable gravity to pull ink from the drop generator into the reservoir. The capillary phenomenon which is associated with the nozzles will limit the amount of ink returning from the drop generator into the reservoir.

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