Connecting ring of a root vacuum pump
AssigneesElivac Inc., Ching Link Consultant Company, Ltd
InventorRaymond Zhou Shaw
Life of this patent
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Abstract
A connecting ring of a root vacuum pump is provided. The connecting ring is installed in at least one end portion of a casing of a root vacuum pump for enlarging an effective volume of the casing. The connecting ring includes a frame having a hollow circular structure and being match to a shape of an end portion of the casing; a front end of the frame being formed with a front flange; a front end surface of the front flange and a rear end thereof being formed with a rear flange; and wherein an outer side of the frame is formed with a plurality of enhancing ribs which are formed between the end surfaces of the front flange and the rear flange; and a plurality of trenches are formed between the front flange, the rear flange and each enhance rib.
Claims10
A connecting ring of a root vacuum pump, the connecting ring being installed in at least one end portion of a casing of a root vacuum pump for enlarging an effective volume of the casing, the connecting ring comprising:
- a frame having a hollow circular structure and being match to a shape of an end portion of the casing;
- a front end of the frame being formed with a front flange;
- a front end surface of the front flange and a rear end thereof being formed with a rear flange;
- and
- wherein an outer side of the frame is formed with a plurality of enhancing ribs which are formed between the end surfaces of the front flange and the rear flange;
- and a plurality of trenches are formed between the front flange, the rear flange and each enhance rib.
Dependencies are inferred from the claim text.