Rotary kinetic fluid motors or pumps – Working fluid passage or distributing means associated with... – Plural rigidly related blade sets
Reexamination Certificate
1999-11-04
2001-07-17
Ryznic, John E. (Department: 3745)
Rotary kinetic fluid motors or pumps
Working fluid passage or distributing means associated with...
Plural rigidly related blade sets
C415S202000
Reexamination Certificate
active
06261059
ABSTRACT:
CROSS REFERENCE TO RELATED APPLICATIONS
Not Applicable
STATEMENT REGARDING FEDERALLY SPONSORED RESEARCH OR DEVELOPMENT
Not Applicable
BACKGROUND OF THE INVENTION
1. Field of the Invention
With regard to the classification of art, this invention is believed to be found in the general class pertaining to vibrators and more particularly to those subclasses pertaining to turbine-type vibrators that are operated by a compressed gas.
2. Description of Related Art Including Information Disclosed Under 37 CFR 1.97 and 1.98
Compressed gas and air operated turbine-type of vibrators are well known in the art. Some known examples are: U.S. Pat. No. 3,870,292 issued on Mar. 11, 1975; U.S. Pat. No. 3,932,057 issued on Jan. 13, 1976; U.S. Pat. No. 3,938,905 issued on Feb. 17, 1976; U.S. Pat. No. 4,389,120 issued Jun. 21, 1983; and U.S. Pat. No. 4,424,718 issued on Jan. 10, 1984 all of which have issued to the present inventor. Another known example of the prior art is U.S. Pat. No. 5,314,305 that issued to Fink on May 24, 1995.
Turbine-type vibrators are known for their efficient use of energy in the form of compressed gas or air. Turbine vibrators are also known for their relatively long life and quiet operation when compared to other types of vibrators. However, it has been determined that their is still a need to improve the efficiency of turbine type of vibrators while maintaining or improving their quiet operating characteristics. It has been determined that their is also a need to improve or increase the vibratory forces produced by turbine vibrators while maintaining a relatively compact size and weight.
The present invention solves the above identified needs by providing a turbine-type vibrator that is efficient, quiet, while providing more vibratory forces for a given size. The present invention as described below includes improvements in the design of the turbine as well as other improvements.
OBJECTS OF THE PRESENT INVENTION
The present invention may be characterized or described with respect to its objects. It is an object of the present invention to provide and it does provide a turbine-type vibrator that is efficient to operate.
It is another object of the invention to provide and it does provide a turbine-type vibrator that produces higher vibratory forces for a given size and while operating at a given pressure and flow of the compressed gas.
It is yet another object of this invention to provide and it does provide a turbine-type of vibrator that produces higher vibratory forces while providing noise levels at or below government or industry standards.
BRIEF SUMMARY OF THE INVENTION
One embodiment of the present invention may be briefly described as: a compressed gas or pneumatically actuated turbine-type vibrator including: (a) an outer housing having a cylindrical chamber formed therein; (b) a dynamically unbalanced rotor being freely rotatable within the cylindrical chamber while having a predetermined clearance there-between, the rotor having a plurality of V-shaped or chevron shaped blades formed on its outer periphery, each V-shaped blade having a predetermined profile that includes a propelling surface; (c) at least one exhaust port being formed in and through the outer housing for allowing fluidic communication between the cylindrical chamber and an exterior of the outer housing; (d) an inlet port formed in said outer housing for allowing fluidic communication between the cylindrical chamber and a source of the compressed gas; and wherein said inlet port directs the compressed gas flowing therethrough to and towards the propelling surface of the V-shaped blade in close proximity thereto for generating vibratory forces as and when the rotor rotates
The rotor of the present invention may be assembled from two halves for reducing the cost of manufacture. The blades or teeth may be formed with various profiles. The V-shaped configuration of the blades may have predetermined included angles for controlling the vibratory forces at given air pressures and flows. Orifices or passageways in the inlet port may be configured for controlling the frequency or speed of the turbine.
The frequency or speed of the turbine may be controlled by adjusting: (1) the air pressure and flow; (2) the included angle of the V-shape or chevron blade; (3) the tooth or blade profile; (4) the alignment of the inlet port passageway(s) or a combination thereof.
In addition to the above summary, the following disclosure is intended to be detailed to insure adequacy and aid in the understanding of the invention. However, this disclosure, showing particular embodiments of the invention, is not intended to describe each new inventive concept that may arise. These specific embodiments have been chosen to show at least one preferred or best mode of the present invention as presently known. These specific embodiments, as shown in the accompanying drawings, may also include diagrammatic symbols for the purpose of illustration and understanding.
REFERENCES:
patent: 518436 (1894-04-01), Wilkinson
patent: 852293 (1907-04-01), Pritchard
patent: 1356063 (1920-10-01), Gosselin et al.
patent: 1415219 (1922-05-01), Carrey
patent: 1419772 (1922-06-01), Sechrist
patent: 3552878 (1971-01-01), Schreiber
patent: 3870292 (1975-03-01), Wadensten
patent: 3932057 (1976-01-01), Wadensten
patent: 4389120 (1983-06-01), Wadensten
patent: 4424718 (1984-01-01), Wadensten
patent: 5314300 (1994-05-01), Gatley, Jr. et al.
patent: 5314305 (1994-05-01), Fink
Pinto Patrick J.
Ryznic John E.
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