Motors: expansible chamber type – Convertible; or changeable by disassembly or assembly
Patent
1994-01-21
1995-11-28
Lopez, F. Daniel
Motors: expansible chamber type
Convertible; or changeable by disassembly or assembly
92 59, 92110, 137270, F01B 2904
Patent
active
054697743
ABSTRACT:
A pneumatic actuating drive (1, 61) for final control elements comprises a drive housing (6) and a drive component (15) movable therein, to which the drive component (15) is attached a drive element (24) that exits from the drive housing (6) and that can be moved together with the drive component (15), and which has the function of actuating the actuator (1, 61) and which divides the drive housing (6) into a pressure chamber (16) and a reset chamber (17) with a reset element (19, 20) that acts on the drive component (15). The actuating drive (1, 61) furthermore comprises a position controller (41) whose output (48) merges into an internal supply duct (49), which is connected to a transfer connection (35, 62) on the reset chamber side on the drive element (24), whereby the drive element (24) exhibits an air duct (30), which originates from the transfer connection (35, 62) and merges into the air duct (30). According to the invention, the reset chamber (17) has a connection aperture (34), which is connected to the air supply duct (49), and the transfer connection (35, 62) is a separate component, which has been set into the reset chamber (17), and which connects the connection aperture (34) to the air duct (30).
REFERENCES:
patent: 4343224 (1982-08-01), Kemmler
patent: 4509403 (1985-04-01), Gassman et al.
patent: 4922952 (1990-05-01), Kemmler
patent: 5279325 (1994-01-01), Kaspers
Arca Regler GmbH
Berenato, III Joseph W.
Lopez F. Daniel
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