US 7,578,495 B2 · Leak prevention system

Abstract

The present invention is a leak prevention system that monitors and detects loosening of a valve. The leak prevention system includes a biasing member, a tightening member, and a pulling member. The biasing member has a first end and a second end, the first end being in communication with the tightening assembly, while the second end being in communication with the pulling assembly. The tightening assembly is carried by the valve, is adapted to tighten the packing nut should packing from the valve loosen. The pulling assembly is adapted to pull the tightening assembly via the biasing member after packing wears away, such that the wearing away loosens the tightening assembly and the constant force of the biasing member, supported by the pulling assembly, causes the tightening assembly to move. After packing has worn away, a visual indication can indicate to an operator that the valve may soon leak.

Claims15

Dependent claims

A leak prevention system carried by a securing member to indicate the loosening of the securing member, the leak prevention system comprising:

a bias member having a first end and a second end;
a tightening assembly carried by the securing member adapted to tighten the securing member, the tightening assembly in communication with the first end of the bias member, wherein the bias member constantly generates a force on the tightening assembly;
and
a pulling assembly in communication with the second end of the bias member for supporting the bias member,
wherein loosening of the securing member causes the pulling assembly to pull the tightening assembly via the bias member,
wherein providing an indication of the loosening of the securing member.

3 more elements

Dependencies are inferred from the claim text.

Leak prevention system

Life of this patent

Leak prevention system

Life of this patent

Abstract

Claims15