FREDERICK WILLIAM KNOWLES
Pilots at Intrepid Cir, Marblehead, MA
License number
Massachusetts A1038257
Issued Date
Jul 2016
Expiration Date
Jul 2018
Category
Airmen
Type
Authorized Aircraft Instructor
Address
Address
47 Intrepid Cir, Marblehead, MA 01945
Professional information
Compact High-Volume Gear Pump
US Patent:
5842848, Dec 1, 1998
Filed:
Jan 3, 1997
Appl. No.:
8/778451
Inventors:
Frederick W. Knowles - Marblehead MA
International Classification:
F04C 218
US Classification:
418196
Abstract:
A compact high-volume pump having a unitary body member with a plurality of cavities each containing a rotatable gear, each gear being powered by a single rotatable gear. Each of the cavities is provided with a separate inlet port and separate outlet port and may be employed to perform a plurality of separate pumping functions.