Ion exchange filter apparatus

Details Ion exchange filter apparatus Ion exchange filter apparatus

2006-08-29

2006-08-29

Cintins, Ivars C. (Department: 1724)

Liquid purification or separation

Flow, fluid pressure or material level, responsive

Fluid pressure responsive by-pass

C210S184000, C210S251000, C210S266000, C210S282000, C210S352000, C210S420000

Reexamination Certificate

active

07097763

ABSTRACT:
An ion exchange filter apparatus to reduce ions contained in a liquid medium used in a fuel cell system is equipped with an ion exchange filter6to receive an ion exchange resin38. The ion exchange filter6includes a flow passage27to introduce the liquid medium to the ion exchange resin38, a bypass passage7to flow the liquid medium by bypassing the ion exchange resin38, and an orifice21disposed at a branch section where the bypass passage7is branched from the flow passage27, to determine a flow volume ratio of the liquid medium flowing in the ion exchange resin38and the bypass passage7, wherein a hole diameter of the orifice is set so that a pressure loss generated when all the amount of the liquid medium flows in the bypass passage7becomes substantially equal to an allowance maximum pressure loss of the ion exchange filter6.

REFERENCES:
patent: 4120787 (1978-10-01), Yargeau
patent: 4344849 (1982-08-01), Grasso et al.
patent: 5980716 (1999-11-01), Horinouchi et al.
patent: 6723460 (2004-04-01), Derflinger et al.
patent: 2005/0058868 (2005-03-01), Taga
patent: 2005/0106433 (2005-05-01), Takemoto
patent: 2001-35519 (2001-02-01), None

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