Steam-raising system
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Feb 28, 1995
Grant Date -
N/A
app pub date -
Jun 25, 1993
filing date -
Jun 26, 1992
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A steam-raising system comprising a boiler, a pump connected by a flow passageway to the boiler to pump water thereto, and flow-control means connected to the flow passageway between the pump and the boiler to control the flow of water from the pump to the boiler. The flow-control means comprise at least two relief means in parallel with one another, but with their points of connection to the flow passageway between the pump and the boiler spaced apart in series with one another. The invention extends to method of operating a steam-raising system such that the system is controlled to keep its condition close to a minimum of the temperature and/or pressure of output from a boiler of the system expressed as a function of the flowrate of water supplied to the boiler.
First Claim
Other Claims data not available