The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jun. 22, 1976
Filed:
Nov. 13, 1974
Applicant:
Inventor:
Stephen Fuller Fogle, Houston, TX (US);
Assignee:
Texas Dynamatics, Inc., Dallas, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21B / ;
U.S. Cl.
CPC ...
175107 ; 415502 ;
Abstract
A downhole fluid powered mover for use in earth bore holes having a fluid turbine to produce torque and a positive displacement fluid motor to regulate the speed of an output shaft connected to both turbine and motor. Alternate embodiments include an overrunning clutch to aid in start-up of the turbine and to prevent overspeed of the turbine.