Fluent material handling – with receiver or receiver coacting mea – Portable systems or track mounted supply means
Reexamination Certificate
2006-10-24
2006-10-24
Douglas, Steven O. (Department: 3751)
Fluent material handling, with receiver or receiver coacting mea
Portable systems or track mounted supply means
C141S286000, C141S301000, C417S231000, C137S205000, C137S565120
Reexamination Certificate
active
07124792
ABSTRACT:
The present invention is directed to a manual bulk liquid pump control and distribution system that utilizes a single-handle manual operation for direction of flow and speed, along with providing a neutral position for standby. The system can be operated at a rate of 0 to 250 gallons per minute and be reversed with a single motion of the operating handle. The pump operates in one direction at a fixed RPM, resulting in longer pump life and safer operation. For added safety, the system utilizes the pump's relief valve for both discharge and suction operation. It has the ability of sucking the liquid out of the lines and hoses after each transfer operation. This system has an aluminum flow-reversing valve or two-way valve at the center of the design. This valve allows the flow of the product to be precisely controlled in either direction, along with the flow rate and pressure. This gives the operator the ability to control the product regardless of viscosity or volume. The system has been designed with pressure-tested manifolds and custom design brackets along with a sampling valve and an easily accessible angled strainer basket. The design allows for safe and convenient pump operation as well as for the proper handling of liquids during environmentally sensitive times.
REFERENCES:
patent: 2800365 (1957-07-01), Hodges
patent: 3544010 (1970-12-01), Jurdye
patent: 3677284 (1972-07-01), Mendez
patent: 3971400 (1976-07-01), Thompson
patent: 6499670 (2002-12-01), Brown et al.
patent: 6945288 (2005-09-01), Brakefield et al.
Douglas Steven O.
Reidelbach, Jr. Charles E.
Safety Pumping Systems, LLC
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