Filter device
First Claim
Patent Images
1. A filter device, comprising:
- a filter housing having a filter housing crucible and a filter housing cover, a ring filter element having an axis and said filter element being arranged in the filter housing and having an axially projecting pin on a lower end disc, the pin configured to be received by a channel on the filter housing crucible side when the filter device is assembled,a tube-shaped dome arranged on the filter housing crucible and engaging an inner chamber of the ring filter element when the filter device is assembled, anda guide contour arranged on a free end of the tube-shaped dome and configured to interact with a guide element arranged on the ring filter element;
wherein the guide element is a radially extending guide pin and the guide contour on the dome has an axial groove configured to guide the guide pin during assembly of the filter device, the guide contour being arranged relative to the projecting pin so that the projecting pin is introduced into the channel on the filter housing crucible in response to the guide pin entering the axial groove.
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Abstract
A filter may include a filter housing having a filter housing crucible and a filter housing cover. A ring filter element may be arranged in the filter housing and have an axially projecting pin on a lower end disc. The pin may be configured to be received by a channel on the filter housing crucible side when the filter device is assembled. A tube-shaped dome may be arranged on the filter housing crucible and engage an inner chamber of the ring filter element and a guide contour may be arranged on a free end of the tube-shaped dome and interact with a guide element arranged on the ring filter element.
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Citations
11 Claims
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1. A filter device, comprising:
- a filter housing having a filter housing crucible and a filter housing cover, a ring filter element having an axis and said filter element being arranged in the filter housing and having an axially projecting pin on a lower end disc, the pin configured to be received by a channel on the filter housing crucible side when the filter device is assembled,
a tube-shaped dome arranged on the filter housing crucible and engaging an inner chamber of the ring filter element when the filter device is assembled, and a guide contour arranged on a free end of the tube-shaped dome and configured to interact with a guide element arranged on the ring filter element;
wherein the guide element is a radially extending guide pin and the guide contour on the dome has an axial groove configured to guide the guide pin during assembly of the filter device, the guide contour being arranged relative to the projecting pin so that the projecting pin is introduced into the channel on the filter housing crucible in response to the guide pin entering the axial groove. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
- a filter housing having a filter housing crucible and a filter housing cover, a ring filter element having an axis and said filter element being arranged in the filter housing and having an axially projecting pin on a lower end disc, the pin configured to be received by a channel on the filter housing crucible side when the filter device is assembled,
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11. A filter device, comprising:
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a filter housing including a filter housing crucible and a filter housing cover; a ring filter element having an axis and said filter element being arranged in the filter housing and having an axially projecting pin on a lower end disc, the pin configured to be received by a channel on the filter housing crucible side when the filter device is assembled; a tube-shaped dome arranged on the filter housing crucible and engaging an inner chamber of the ring filter element when the filter device is assembled; and a guide contour arranged on a free end of the tube-shaped dome and configured to interact with a guide element arranged on the ring filter element, wherein the guide element defines a guide pin which faces radially inwards; wherein the guide contour on the dome has an axial groove configured to guide the guide element during assembly of the filter device, the guide contour being arranged relative to the projecting pin so that the projecting pin is introduced into the channel on the filter housing crucible side in response to the guide pin entering the axial groove.
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Specification