A filter shaker for a filter assembly disposed in a vacuum includes a housing that removably mounts to the filter and/or a support for the filter and a vibrator assembly carried by the housing. When actuated, the vibrator assembly vibrates the filter to clean particulate matter from the filter. The
A filter shaker for a filter assembly disposed in a vacuum includes a housing that removably mounts to the filter and/or a support for the filter and a vibrator assembly carried by the housing. When actuated, the vibrator assembly vibrates the filter to clean particulate matter from the filter. The vibrator assembly includes a motor that drives an eccentric and an actuator that periodically impacts against a portion of the housing to cause the vibrations. The housing includes a mounting assembly for mounting the filter shaker to the cage and/or filter in an operative position and a locking assembly for locking and unlocking the filter shaker in the operative position to prevent the filter shaker from vibrating off. In the operative position, the filter shaker covers an open end of a tubular filter and thereby forces air to be directed through filter material of the tubular filter.
대표청구항▼
1. A filter shaker comprising: a motor having a motor shaft that rotates when powered by a power source;an eccentric connected to the motor shaft;an actuator connected to the eccentric;a housing that carries the motor, the eccentric, and the actuator, wherein the actuator is arranged to periodically
1. A filter shaker comprising: a motor having a motor shaft that rotates when powered by a power source;an eccentric connected to the motor shaft;an actuator connected to the eccentric;a housing that carries the motor, the eccentric, and the actuator, wherein the actuator is arranged to periodically impact at least one portion of the housing when the motor shaft rotates; anda connecter disposed on an outer surface of the housing, the connecter arranged to releasably mount the filter shaker across an end of a filter. 2. The filter shaker of claim 1, wherein the housing comprises an enclosed compartment and a peripheral wall extending outwardly from the enclosed compartment, wherein the motor is disposed in the enclosed compartment, and wherein the connector is disposed on the peripheral wall. 3. The filter shaker of claim 2, wherein the housing further comprises a flange plate, and the peripheral wall extends axially from a first side of the flange plate. 4. The filter shaker of claim 3, further comprising: a lock carried by the housing, the lock having a flap shiftable in relation to the housing between a locking position and an non-locking position. 5. The filter shaker of claim 4, wherein the filter shaker is attached to a removable cap that includes the connector, and the connecter comprises a ramp disposed on an inner radial surface of the circumferential wall. 6. The filter shaker of claim 5, wherein the flap extends along an axis from the first side of the flange plate to the ramp, wherein the flap is arranged to rotate about the axis between the locking position and the non-locking position, and wherein the flap includes a tooth arranged to rotate about the axis. 7. The filter shaker of claim 6, wherein the lock further comprises: an actuator knob disposed on a second side of the flange plate opposite the first side, wherein rotation of the actuator knob causes the flap to rotate about the axis. 8. The filter shaker of claim 3, wherein the actuator is arranged to periodically impact opposing surfaces of the housing in a plane transverse to the circumferential wall in response to rotation of the motor shaft. 9. The filter shaker of claim 2, wherein the power source comprises a battery carried by the housing. 10. The filter shaker of claim 9, wherein the battery is disposed inside the enclosed compartment, and wherein the enclosed compartment is water tight and includes an access panel that is removably secured to the housing to cover an access opening into the enclosed compartment, and a seal arranged to provide a water tight seal between the access panel and the housing surrounding the access opening. 11. A vacuum comprising: a vacuum housing comprising a tank bottom defining a vacuum chamber with a floor and an opening into the vacuum chamber disposed above the floor, a cover arranged to cover the opening, an air inlet into the vacuum chamber, and an air outlet through the cover;a vacuum pump carried by the vacuum housing and arranged to pump air out of the vacuum chamber through the air outlet;a filter extending into the vacuum chamber, the filter defining a top end surrounding the air outlet and a bottom end;a cage carried by the vacuum housing, wherein the cage supports the filter; anda filter shaker comprising a vibrator assembly carried by a housing and a connector carried by the housing, wherein the filter shaker is releasably secured to the filter and/or the cage with the connector. 12. The vacuum of claim 11, wherein the filter defines a through-bore extending from the bottom end to the top end, and wherein the housing completely covers the through-bore at the bottom end of the filter. 13. The vacuum of claim 12, wherein the connector releasably mounts to the cage, and wherein the filter shaker further comprises a lock arranged to selectively and releasably lock the filter shaker to the filter and/or the cage. 14. The vacuum of claim 13, wherein the cage is disposed inside the through-bore of the filter, and wherein the lock comprises a movable flap that engages the cage and an actuation knob arranged to selectively move the flap from a locked position engaged with the cage and an unlocked position disengaged from the cage. 15. A filter assembly for a vacuum comprising: an elongate filter defining a through-bore and with an open end;a cage supporting the filter; anda filter shaker comprising a motorized vibrator assembly carried by a housing, wherein the housing in a mounted position is releasably secured to the cage and covers the open end. 16. The filter assembly of claim 15, wherein the housing comprises a circumferential wall and a connector, and wherein in the mounted position the circumferential wall fits inside the open end of the filter, the connector secures the filter shaker to the cage, and the housing substantially restricts the opening. 17. The filter assembly of claim 15, wherein the filter shaker further comprises a lock assembly that releasably locks the filter shaker to the cage in the mounted position, the lock assembly comprising: a flap disposed on a first side of the housing adjacent the filter; andan knob disposed on a second side of the filter shaker opposite the first side and operatively connected with the flap, wherein the knob rotates the flap between a locked position lockingly engaged with the cage and an unlocked position disengaged from the cage. 18. The filter assembly of claim 15, wherein the cage is disposed inside the through-bore of the filter, wherein the housing comprises a peripheral wall, and wherein the peripheral wall extends into an annular space between the cage and the filter and surrounds the cage. 19. The filter assembly of claim 18, wherein the connector comprises a ramp disposed on an inner radial surface of the circumferential wall, and wherein the ramp slides over a ledge projecting radially outwardly from the cage. 20. The filter assembly of claim 15, wherein the housing defines an enclosed compartment, and the vibrator assembly further comprises: a motor disposed in the enclosed compartment and connected with a power source, the motor including a rotatable motor shaft;an eccentric disposed in the enclosed compartment and connected to the motor shaft; andan actuator disposed in the enclosed compartment and connected to the eccentric;wherein rotation of the motor shaft causes the actuator to periodically impact against at least one wall of housing.
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