Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Hollow-fiber permeability apparatus










Image Number 13 for United States Patent #4214990.

A hollow-fiber permeability apparatus includes:a housing; a bundle of permeable-wall hollow fibers disposed in the housing; inlet means for supplying a first fluid into the spaces between the fibers; outlet means for withdrawing the first fluid from the housing, the first fluid being led through at least one of the inlet and outlet means in a lamelliform flow toward the bundle, whereby the first fluid can uniformly flow through the whole bundle; and means for flowing a second fluid inside the fibers such that materials selectively permeate through the walls of the fibers.








 
 
  Recently Added Patents
Puncture resistant fabric
Surround sound effects provided by cell phones
Sending notification of event
Dose escalation enzyme replacement therapy for treating acid sphingomyelinase deficiency
Semiconductor device manufacture in which minimum wiring pitch of connecting portion wiring layer is less than minimum wiring pitch of any other wiring layer
Transfer device and image forming apparatus including regulation member
Lens system
  Randomly Featured Patents
Structure and method of manufacturing the same
Apparatus for securing an opening with a removable cover
Cosmetic accessory clip
Circuit breaker
Endless linear movement roller bearing
Apparatus for controlling timings of exhaust valves and method thereof
Composition for fluororesin powder coating material
Carton
Method for dewaxing refined vegetable oils for refrigerator clarity stability
Optical pickup device and optical recording medium reproducing device