| Patent Number |
Title Of Patent |
Date Issued |
| RE31258 |
Fluid velocity equalizing apparatus |
May 31, 1983 |
| Apparatus for equalizing the velocity of fluids flowing in duct work and the like which comprises one or more rigid honeycomb sections having a plurality of coaxial passages wherein the ratio of the surface area of each passage to its cross-sectional area is in the order of thirty or |
| 4741257 |
Fume hood air flow control |
May 3, 1988 |
| A control system is provided for providing a constant flow of air through a chamber, such as a fume hood, by measuring the pressure of the air outside of the hood and comparing it with the pressure of the air within the hood and adjusting the flow of air to achieve a constant pressure di |
| 4594888 |
Airflow measuring sound attenuator |
June 17, 1986 |
| An airflow measuring sound attenuator that profiles and stabilizes the pattern of air flowing out of attenuation throats and accurately measures the average velocity of air flowing through the attenautor by a pitot tube array mounted in the region of profiled and stabilized airflow. |
| 4559835 |
Flow measuring traverse probe |
December 24, 1985 |
| A traverse probe for insertion transversely with respect to the direction of bulk flow of an air or gas stream to sense and average a traverse of the static pressure and separately to sense and average a traverse of the combination of static and velocity pressure or total pressure of the |
| 4557153 |
Harmonic screw actuator |
December 10, 1985 |
| There is disclosed an improved "harmonic screw" type actuator wherein rotary motion of the power input component is converted into linear motion of the output component by means of a strain wave imposed upon a flexible sleeve member of the assembly, which is flexed into intermittent scre |
| 4052897 |
Methods and apparatus for determining total flow rate of gaseous fluids |
October 11, 1977 |
| Methods and apparatus for determining the total flow rate of gaseous fluid passing through a plurality of conduits utilizing a plurality of total and static pressure sensing probes, the number of total pressure sensing probes being selected and deployed within each conduit to cover c |
| 3964519 |
Fluid velocity equalizing apparatus |
June 22, 1976 |
| Apparatus for equalizing the velocity of fluids flowing in duct work and the like which comprises one or more rigid honeycomb sections having a plurality of coaxial passages wherein the ratio of the surface area of each passage to its cross-sectional area is in the order of thirty or |
