Liquid supply device and liquid ejecting apparatus

Details Liquid supply device and liquid ejecting apparatus Liquid supply device and liquid ejecting apparatus

2011-08-09

2011-08-09

Lepisto, Ryan (Department: 2883)

Incremental printing of symbolic information

Ink jet

Fluid or fluid source handling means

C347S006000, C347S007000, C347S017000, C347S084000

Reexamination Certificate

active

07992981

ABSTRACT:
A liquid supply device includes a liquid supply channel that supplies a liquid from an upstream side as a liquid supply source side to a downstream side, where the liquid is consumed, and a pump that pumps a part of the liquid supply channel as a pump chamber. A first one-way valve in the liquid supply channel on an upstream side from the pump chamber permits ink to flow from the upstream side to the downstream side. A second one-way valve on a downstream side from the pump chamber permits ink to flow from the upstream side toward the downstream side. A liquid pressure accumulation unit with a volume variable pressure accumulation chamber is disposed on a downstream side from the second one-way valve to form a part of the liquid supply channel and stores the liquid in a pressure-accumulated state within the pressure accumulation chamber.

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