Assembly of filtering apparatus and replaceable filter; and filtering apparatus and filter for use therein
First Claim
1. An assembly of a filtering apparatus and a replaceable filter which comprises an electronic filter identification system, including an electronic label on the filter and read-out means on the filtering apparatus, said electronic label comprising means including a read and write memory adapted to count and store a number of actual operating hours of the replaceable filter.
2 Assignments
0 Petitions
Accused Products
Abstract
A filtering apparatus and replaceable filter assembly including an electronic filter identification system having an electronic label on the filter and a read-out mechanism on the filtering apparatus. The read-out mechanism is connected to a control unit of the filtering apparatus and the control unit is influenced by the read-out mechanism. The control unit may be actuable only upon disposing a filter in the filtering apparatus having a proper or predetermined electronic label. The filter identification system may also be interactive. The electronic label on the filter includes a read/write memory which can store the number of operating hours of the filter.
176 Citations
8 Claims
- 1. An assembly of a filtering apparatus and a replaceable filter which comprises an electronic filter identification system, including an electronic label on the filter and read-out means on the filtering apparatus, said electronic label comprising means including a read and write memory adapted to count and store a number of actual operating hours of the replaceable filter.
-
7. A filtering apparatus adapted to receive a replaceable filter wherein said apparatus comprises read-out means adapted to cooperate with an electronic label on the filter to form an electronic filter identification system, said electronic label comprising means including a read and write memory adapted to count and store a number of actual operating hours of the replaceable filter, said read-out means adapted to respond to said memory means to effect at least one of providing a warning or actuating shutdown of flow through the filter.
-
8. A filter adapted to be placed in a filtering apparatus wherein said filter comprises an electronic label adapted to cooperate with read-out means on the filtering apparatus to form an electronic filter identification system, said electronic label comprising means including a read and write memory adapted to count and store a number of actual operating hours of the replaceable filter.
Specification