Expansible chamber devices – Displacement control of plural cylinders arranged in... – Flexible wall-type working member
Patent
1975-04-09
1976-03-23
Schwadron, Martin P.
Expansible chamber devices
Displacement control of plural cylinders arranged in...
Flexible wall-type working member
92 1341, 92 137, 251 612, 251 614, F01B 1900, F01B 3114, F15B 1524
Patent
active
039453022
ABSTRACT:
The disclosure illustrates a tool which permits the adjustment of a pressure responsive flow controlling diaphragm assembly while the diaphragm is pressurized. The tool is used to adjust the position of a central shaft threaded through the diaphragm and held in place by a locking jam nut. The central shaft and locking nut are received in a center bolt having a hexagonal head which holds the diaphragm assembly together. The tool comprises a base that is mounted over the pressurized face of the diaphragm in place of its normal cover. A series of concentric sockets extend through the base for engaging the center bolt and the lock nut. A center shaft extends through the sockets and has a section of an allen wrench received in a corresponding recess of the central shaft of the diaphragm assembly. Suitable passages in the base enable the diaphragm to be pressurized to a desired adjustment pressure. Manipulation of the various sockets and center shaft permits the central diaphragm shaft to be adjusted upon actual operating conditions.
REFERENCES:
patent: 28090 (1860-05-01), Lindsay
patent: 3086745 (1963-04-01), Natho
patent: 3446241 (1969-05-01), Skoli
patent: 3884446 (1975-05-01), Erickson
patent: 3896843 (1975-07-01), Millar
Cummins Engine Company, Inc.
Gron Gary M.
Hershkovitz Abraham
Ruff Robert T.
Schwadron Martin P.
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