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US 4,706,968 AGranted
Sealing rings with complimentary ring members
OwnerDavid C. Orlowskiinventor
Life of this patent
Estimating the term…
Abstract
A mechanical seal for rotating shafts having a first, second and third ring member. The first ring member has a series of annular axial grooves in the internal bore and a slot extending across the grooves to an end of the first ring. The second ring member is adapted for insertion into an annular recess in the first ring member. The first and second rings have complimentary adjacent recesses for insertion of a third ring member.
Claims11
A ring seal between a fixed housing and a rotating shaft comprising:
- a. a first ring member having a first end facing internally to the fixed housing and a second end facing externally of the said housing and an outer surface being fixed and sealed to said housing by a shoulder means,
- b. said first ring member having a series of annular grooves in the internal bore of said first ring member with said annular grooves disposed adjacent to the shaft with a slot extending across said grooves to the first end of said first ring member as a drain trough,
- c. a second ring member fixed to rotate with said shaft and having an annular flange extending axially with inner and outer radial surfaces, adapted for insertion in an accomodating annular recess in said first ring member at the interface between said first ring member and said second ring member,
- d. said second ring member also having an annular recess adjacent to and complimentary with an annular recess in the face of said second end of said first ring member at the interface of said first and second ring members, and
- e. a third ring member within said complimentary, adjacent recesses in said first ring member and said second ring member.
2 more elements
Dependencies are inferred from the claim text.