# US 9,518,661 B2 · Petal control valve for separable connection units for flexible hoses

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- Number: US 9,518,661 B2
- Document ID: US9518661B2
- Status: Granted
- Kind: B2
- Application number: 14/396,270
- Filed: 2013-04-24
- Published: 2015-03-26
- Granted: 2016-12-13
- Earliest claimed: 2012-04-26
- Assignees: Mib Italiana S.P.A.
- Applicants: MIB Italiana S.P.A.
- Inventors: Lorenzo Bormioli
- Web page: https://patentgrep.com/patent/US9518661B2

## CPC

- F16K 1/165: {with a plurality of closure members}
- F16K 1/20: with axis of rotation arranged externally of valve member
- F16K 1/205: {the sealing being arranged on the valve member}
- F16K 3/03: with a closure member in the form of an iris-diaphragm
- F16L 55/1007: {Couplings closed automatically when broken}
- F16L 55/1018: {Pivoting closing devices}
- E21B 33/06: Blow-out preventers {, i.e. apparatus closing around a drill pipe, e.g. annular blow-out preventers (rotating blow-out preventers E21B33/085)}
- E21B 33/061: {Ram-type blow-out preventers, e.g. with pivoting rams}
- F16K: VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING {(devices for emptying and evacuating the excess liquid in valves or conduits F16L55/07)}
- F16L: PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- E21B: EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS

## Abstract

Control valve (5, 5′) for connection units for flexible hoses, comprising a plurality of petals (segments or sectors) (6, 7; 6′, 7′) rotatable between a position of complete opening and a position of complete closing. The aforesaid petals (6, 7; 6′, 7′) are rotatable around pivoting axes defined by spherical pins (70) interposed between laterally adjacent petals and provided with a threaded positioning neck (71) inserted and screwed in a respective radial hole (72) of the body (1, 2) of the connection unit. A locking cap (73) is screwed in said radial hole (72) and tightly abutting against said neck (71) of the spherical pin (70) for keeping said spherical pin (70) in a suitable position to enable a correct and precise pivoting between the two adjacent petals (6, 7; 6′, 7′).

## Claims

### Claim 1

A control valve for connection units for flexible hoses, comprising a plurality of petals, segments or sectors rotatable between a position of complete opening and a position of complete closing, wherein said petals are rotatable around pivoting axes defined by spherical pins interposed between laterally adjacent petals and provided with a threaded positioning neck inserted and screwed in a respective radial hole of a body of a connection unit, wherein the petals with larger size have a V-shaped end, the sides of which are intended to fluid-tightly abut against the corresponding sides of other petals of larger size, and also with lateral sides with a curved end which include a step on which a side of a petal of smaller size interposed between two petals of larger size rests when the valve is closed, and in that the petals of smaller size have a rounded end with a step, which tightly engages the curved ends of two adjacent petals when the valve is closed, and straight sides on which the step continues, which tightly engage the lateral sides of the two adjacent petals when the valve is closed.

### Claim 2 (depends on 1)

The control valve according to claim 1, wherein a locking cap is screwed in said radial hole and tightly abutting against said neck of the spherical pin for keeping said spherical pin in a suitable position to enable a pivoting between the two adjacent petals.

### Claim 3 (depends on 2)

The control valve according to claim 2, wherein it comprises a sealing gasket inserted between said locking can and said radial hole.

### Claim 4 (depends on 2)

The control valve according to claim 2, wherein said petals are provided with partially spherical seats for housing said spherical pins.