Claims
- 1. A method of washing a magnetic filter constituted by ferromagnetic small-gauge wires and having a longitudinal axis and opposite ends, by removing from the magnetic filter magnetic particles clinging thereto, comprising:
- establishing a magnetic field through the filter and which alternates in polarity in a direction around said longitudinal axis and which extends in a direction parallel to said longitudinal axis; rotating the magnetic filter with respect to said magnetic field about said longitudinal axis; and
- jetting washing fluid through the magnetic filter between the respective opposite ends of the filter in a direction transverse to said longitudinal axis while rotating the magnetic filter.
- 2. A method as claimed in claim 1 in which said step of establishing the magnetic field comprises disposing a plurality of magnets adjacent each of the opposite ends of the filter with the magnets in each plurality disposed in spaced relation around said longitudinal axis and with the polarities of adjacent magnets opposite to each other.
- 3. A method as claimed in claim 2 in which one of the pluralities of magnets is fixed relative to the filter and the other plurality of magnets is rotated relative to said one of the pluralities of magnets.
- 4. A method as claimed in claim 1 in which the step of jetting the washing fluid comprises intermittently jetting the washing fluid.
Priority Claims (2)
Number |
Date |
Country |
Kind |
62-302992 |
Nov 1987 |
JPX |
|
63-141539 |
Jun 1988 |
JPX |
|
Parent Case Info
This application is a continuation-in-part, of now abandoned application Ser. No. 07/277,243, filed Nov. 29, 1988.
US Referenced Citations (2)
Number |
Name |
Date |
Kind |
4147632 |
Oder |
Apr 1979 |
|
4594160 |
Heitmann et al. |
Jun 1986 |
|
Foreign Referenced Citations (3)
Number |
Date |
Country |
54-86878 |
Jul 1979 |
JPX |
0145517 |
Nov 1980 |
JPX |
0728888 |
Apr 1980 |
SUX |
Continuation in Parts (1)
|
Number |
Date |
Country |
Parent |
277243 |
Nov 1988 |
|