Gear positive displacement machine with U-shaped supporting elem

Details Gear positive displacement machine with U-shaped supporting elem Gear positive displacement machine with U-shaped supporting elem

1979-10-15

1982-01-05

Vrablik, John J.

Rotary expansible chamber devices

With mechanical sealing

Axially movable end wall or end wall portion

F03C 208, F04C 218, F04C 1500

Patent

active

043091580

ABSTRACT:
A gear positive displacement machine has two meshing gear members each having two axially opposite shafts, two pairs of bearing members each of which pairs bears one shaft of both gear members, at least one sealing member at one axial end of the gear members, and a supporting element reinforcing this sealing member. The supporting element has a U-shaped cross-section with two arms and a bead at a free end of each arm. The sealing member is inserted by its base side in the supporting member, and the beads of the arms of the latter engage in two grooves formed in the supporting member.

REFERENCES:
patent: 3473476 (1969-10-01), Davidson
patent: 3748063 (1973-07-01), Putnam
patent: 3891360 (1975-06-01), Dworak et al.

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