这种笔的吸墨原理是什么？

coslar

这种笔的吸墨原理是什么？
介绍里只说，是把笔杆中的空气排出，然后墨水就自动吸上来了。不知道具体是怎么把空气排走的，那个活塞是什么结构？这种结构看起来储墨量很大。

Stipula Limited Edition Suprema Nuda Demonstrator Fountain Pen


The Suprema Nuda has been endowed with the latest engineering invention: the Torricelli Air Pump filling system. Using this special pump system, the air inside the chamber of the barrel is forced out through the channels in the nib feeder and therefore, allowing ink to completely fill the transparent body. The complete Suprema collection has brought back the classic, yet contemporary spirit to a timeless and ageless writing instrument. The beauitul and smooth gliding 14K yellow gold nib and it is a limited production of 351 pieces each individually numbered.
System: Fountain pen uses Torricelli Air Pump filling system
Nib type: 14K nib
Warranty: Lifetime guarantee against any defaults in material or manufacturer.

Model No. PN2E CCNX

Our Price

$360.00

[ 本帖最后由 coslar 于 2009-3-12 09:25 编辑 ]

coslar

原帖由 ak47 于 2009-3-12 09:21 发表
西华真空上水方式

具体结构和原理是什么？谢谢！

coslar

原帖由 GCIG_DJ 于 2009-3-12 09:30 发表
http://pens.biolab123.com/Design/anatomy/piston/

3Q.