Heat exchanger for shaft seal cartridge
First Claim
Patent Images
1. A seal assembly for use with a rotary shaft and a case comprising:
- a housing connected to said case;
a seal chamber defined by said housing and said shaft;
mechanical seal means in said seal chamber for preventing leakage between said shaft and said case;
cooling fluid chambers defined by said seal means and said housing;
cooling fluid impelling means between said cooling fluid chambers and further defining said chambers for causing cooling fluid to flow from said impelling means to each of said chambers;
said impelling means comprising rotor and stator means;
inlet means to said impeller means for the flow of cooling fluid thereto;
an outlet from each chamber for the flow of cooling fluid therefrom; and
heat exchanger means connected to said outlets and to said inlet means for cooling said cooling fluid which flows from said outlets to said inlet means.
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Accused Products
Abstract
An improved heat exchanger especially for use with a mechanical seal cartridge applicable for a pump-motor combination. The heat exchanger comprises an axial flow pump for supplying cooling fluid to the seal and axial shrouded fins and passages respectively surrounding a housing for the seals and inwardly in the housing, there being a path for the cooling fluid between the shrouded fins and the passages. Means are provided to direct cooling air through the passages and along the fins.
41 Citations
7 Claims
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1. A seal assembly for use with a rotary shaft and a case comprising:
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a housing connected to said case; a seal chamber defined by said housing and said shaft; mechanical seal means in said seal chamber for preventing leakage between said shaft and said case; cooling fluid chambers defined by said seal means and said housing; cooling fluid impelling means between said cooling fluid chambers and further defining said chambers for causing cooling fluid to flow from said impelling means to each of said chambers; said impelling means comprising rotor and stator means; inlet means to said impeller means for the flow of cooling fluid thereto; an outlet from each chamber for the flow of cooling fluid therefrom; and heat exchanger means connected to said outlets and to said inlet means for cooling said cooling fluid which flows from said outlets to said inlet means. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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Specification