Composite membrane

Details Composite membrane Composite membrane

2005-07-05

2005-07-05

Walker, W. L. (Department: 1723)

Liquid purification or separation

Filter

Supported, shaped or superimposed formed mediums

C210S097000, C210S245000, C210S321750, C210S321840, C210S356000, C361S103000

Reexamination Certificate

active

06913153

ABSTRACT:
The invention relates to a composite membrane (1) consisting of a flat support body (2) comprising relative big through flow holes (3) and on which at least one separating layer is applied as a membrane layer (4) having a given number of pores and pore sizes. In order to regulate the temperature of the support body, said support body (2) is connected to a device (5) that can be regulated by a regulating device (S) with the purpose of supplying a predetermined energy to the support body (2) and/or diverting energy from the support body (2). The membrane layer (4) is applied on the support body (2) in a heat-conductive manner so that any change in the temperature of the support body provokes a change in the temperature of the membrane layer. The membrane layer (4) consists of at least one temperature-dependent, expanding membrane material that includes pores and/or defines pores so that the size of the pores can be changed and regulated by means of the regulatable body temperature and, hence, by means of the indirectly regulatable temperature of the membrane layer as a result of the expansion-temperature sensitivity of the membrane material.

REFERENCES:
patent: 4161013 (1979-07-01), Grodzinsky et al.
patent: 4210413 (1993-10-01), None
patent: WO 200054866 (2000-09-01), None

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