Download - Europe Direct Iasi

CLASS 6 EUROINVENT 2010 CLASA 6
6.3.
Title EN
Authors
Institution
Patent no.
Description
EN
6.4.
Title EN
Anchor For Fixing Tubing In The String Of Oil Extracting
Wells
Chiriţă Constantin; Damian Laurenţiu, Hanganu Adrian
Constantin, Calfa Daniel; Tănăsescu Ion
Technical University “ Gheorghe Asachi" Iasi
National Institute of Inventics, Iasi
Pending
The invention relates to an anchor for fixing the tubing in the string
of the oil extracting wells in the construction of the tubing
installations, plunger pump as a section for blocking the tubing on
the inside of the well string. The anchor for fixing the tubing in the
string of the oil extracting wells provides the tubing fixing by the
fact that a cylindrical body has a higher connection wherein there is
mounted a valve for emptying the anchor, which consists of a
gauged pin, a valve and a valve seat and the slips may displace
radially and perform the reinforcement on the interior side of the
well string, being pushed by a rubber sleeve , which extends in
diameter due to the pressure generated by the oil pumped inside an
enclosure formed by an inner tube, provided with some orifices for
the inlet of the pressurized oil and the rubber sleeve, thereby it
overcoming the force of some plate springs which provide the
withdrawal of the slips and the assembly release, when, by
introducing a supplementary interior pressure, there takes place the
shearing of the gauged pin given by a circular tool in the
construction of the valve for anchor emptying, the pressures from
the inside and the outside being equalized and the rubber sleeve and
the slips returning in the withdrawn position.
Support for textile spindle rods with rigid linking tube
between bearings and elastic boundary to cup
Authors Hanganu Lucian Constantin
Institution
Patent no. Pending
Description
EN
Technical University “ Gheorghe Asachi" Iasi
National Institute of Inventics, Iasi
This new design solution shows the following improvements over
known alternatives:
- it creates the possibility of oscillatory system operation with a
point of oscillation around its center of mass;
- it is obtained a better and stable centered position of rod spindle to
textile spindle cup which provides enhanced precision for both the
rod axis perpendicularity to the ring frame bank and a better
centered position to ring;
- there are improved indices for production, productivity, power
consumption, quality of processed yarns, reliability.
100