Patent ID: 7488106
Filing Date: 2009-02-10
Classification: G01K,G01N,Y10T

Abstract:
1. A calorimeter system including an isothermal reservoir comprising: a combustion vessel; an outer jacket having a fluid inlet and an outlet located near an opposite end of said inlet; a heater and a pump associated with said jacket for circulating fluid from said fluid outlet through said heater to said inlet provide a constant temperature of fluid within said jacket; a thermally insulated member positioned within said jacket and having an internal volume therein defining a bucket for receiving a calorimeter combustion vessel, said insulating member having a wall with a height less than the height of said jacket such that fluid in said jacket fills said bucket over said wall; a cover for enclosing said combustion vessel; and a movable closure member including a seal engaging said insulated member for selectively sealing said bucket from said jacket when in a first position during combustion of a sample within said combustion vessel and movable to a second position spaced from said insulated member to allow water from said jacket to enter said bucket only over said wall.