Abstract: A spool valve for use with pressurized fluid to control components of a control system. The spool valve has two stable positions in one of which the spool is firmly held by pressurized fluid.
Type:
Grant
Filed:
March 23, 1979
Date of Patent:
June 2, 1981
Assignee:
Paul M. Diemert
Inventors:
Frank A. Reed, deceased, Paul M. Diemert, executor
Abstract: Apparatus for providing a continuous flow of fluent particulate material suspended in a gaseous stream from a bulk source. The pneumatically powered and controlled apparatus includes a material receiving chamber intermittently replenishing a second chamber operable to maintain a third or material dispensing chamber adequately charged at all times. The apparatus controls are responsive to the material level sensing means in the second chamber to initiate a recharging cycle when the material therein falls below a predetermined level.
Type:
Grant
Filed:
March 13, 1978
Date of Patent:
December 4, 1979
Assignee:
Paul M. Diemert
Inventors:
Frank A. Reed, deceased, by Paul M. Diemert, executor