Reciprocating pump with cooperating piston shearing portions

Pumps – Expansible chamber type – Valved piston

Patent

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

2223831, F04B 704

Patent

active

055562680

ABSTRACT:
A reciprocating piston with an integral valve moves in a first direction within a cylinder to pressurize viscous material contained therein, such as ice cream or the like, thereby pushing it out of a dispensing nozzle located at one end of the cylinder while simultaneously extracting viscous material from a collapsible container into the other end of the cylinder by suctioning the material from the container. When the piston moves in a second direction, the integral valve opens to allow the piston to pass through the previously suctioned viscous material then within the cylinder. The dispensing nozzle includes a normally closed, spring-biased valve opened by the force of the pressurized material, closing of the valve being assisted by a transient suction force occurring as the valved piston begins to move in the second direction through the material. Suctioning the material from the collapsible container, as opposed to compressing the container to expel the material, is preferable when the material contains entrapped gas, as is the case with ice cream, since repeated compression of such containerized material can diminish its quality.

REFERENCES:
patent: 898659 (1908-09-01), Kuehl
patent: 924098 (1909-06-01), Neff et al.
patent: 1153816 (1915-09-01), Nichols
patent: 1447963 (1921-07-01), Coleman
patent: 1449534 (1923-03-01), Morgan
patent: 2044594 (1936-06-01), Scholfield
patent: 2263794 (1941-11-01), Wyen
patent: 2377916 (1945-06-01), Anderson
patent: 2558887 (1951-07-01), Tesiero
patent: 2559840 (1951-07-01), Arthur
patent: 2740264 (1956-04-01), Thompson, Jr.
patent: 2894665 (1959-07-01), Zerlin
patent: 3044277 (1962-07-01), Barnum
patent: 3081920 (1963-03-01), Gorychka et al.
patent: 3193149 (1965-07-01), Beaubien
patent: 3213903 (1965-10-01), Armstrong
patent: 3371822 (1968-03-01), Galloway
patent: 3435996 (1967-07-01), Jones
patent: 3489099 (1970-01-01), Huffsmith, Sr.
patent: 3494512 (1970-02-01), Haynes
patent: 3536424 (1970-10-01), Plos
patent: 3627178 (1971-12-01), Sundholm
patent: 3677443 (1972-07-01), Smadar et al.
patent: 3752604 (1973-08-01), Dorn
patent: 3807604 (1974-04-01), Schaffer et al.
patent: 3826409 (1974-07-01), Chilcoate
patent: 4045976 (1977-09-01), Mills
patent: 4077750 (1978-03-01), Hake
patent: 4105146 (1978-08-01), Broillard
patent: 4118152 (1978-10-01), Bron
patent: 4213545 (1980-07-01), Thompson et al.
patent: 4231492 (1980-11-01), Rios
patent: 4231547 (1980-11-01), Manfroni
patent: 4452823 (1984-06-01), Connolly et al.
patent: 4577783 (1986-03-01), Racca et al.
patent: 4645093 (1987-02-01), Jones
patent: 4664298 (1987-05-01), Shew
patent: 4707997 (1987-11-01), Bigler et al.
patent: 4711376 (1987-12-01), Manfroni
patent: 4723688 (1988-02-01), Munoz
patent: 4736600 (1988-04-01), Brown
patent: 4742941 (1988-05-01), Tastet
patent: 4753371 (1988-06-01), Michielin et al.
patent: 4775564 (1988-10-01), Shriver et al.
patent: 4785978 (1988-11-01), Kano et al.
patent: 5016446 (1991-05-01), Fiedler
patent: 5048724 (1991-09-01), Thomas
patent: 5060826 (1991-10-01), Coleman
patent: 5069364 (1991-12-01), McGill
patent: 5149551 (1992-09-01), Anderson
patent: 5150820 (1992-09-01), McGill
patent: 5178304 (1993-01-01), Torterotot
patent: 5197638 (1993-03-01), Wood
patent: 5215222 (1993-06-01), McGill
patent: 5244277 (1993-09-01), Broussalian et al.
patent: 5361941 (1994-11-01), Parekh et al.
patent: 5494194 (1996-02-01), Topper et al.

LandOfFree

Say what you really think

Search LandOfFree.com for the USA inventors and patents. Rate them and share your experience with other people.

Rating

Reciprocating pump with cooperating piston shearing portions does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Reciprocating pump with cooperating piston shearing portions, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Reciprocating pump with cooperating piston shearing portions will most certainly appreciate the feedback.

Rate now

     

Profile ID: LFUS-PAI-O-409465

  Search
All data on this website is collected from public sources. Our data reflects the most accurate information available at the time of publication.