초록 ▼

A flow meter and method for determining the corrected flow rate of a liquid falling into a predetermined class of liquids based on its viscosity and density is disclosed. The flow meter comprises a flow sensor for measuring an uncorrected flow rate of the liquid, a temperature sensor for measuring t

A flow meter and method for determining the corrected flow rate of a liquid falling into a predetermined class of liquids based on its viscosity and density is disclosed. The flow meter comprises a flow sensor for measuring an uncorrected flow rate of the liquid, a temperature sensor for measuring the temperature of the liquid, and a microprocessor for calculating the corrected flow rate based on the liquids predetermined class and the measured temperature. The flow sensor can include a restriction in the fluid flow path, first and second pressure sensors positioned one on each side of the restriction and a temperature sensor. The first and second pressure sensors measure the drop in fluid pressure created by the restriction and the temperature sensor measures the temperature of the liquid. By basing the corrected flow rate calculation on the predetermined class of the liquid, the calculation becomes a closed form solution that is deterministic providing for quick and accurate corrected flow rate calculation. A flow meter according to the present invention can be used in many applications such as, among others, liquid beverage dispensers and variable speed pumps.

대표청구항 ▼

A flow meter and method for determining the corrected flow rate of a liquid falling into a predetermined class of liquids based on its viscosity and density is disclosed. The flow meter comprises a flow sensor for measuring an uncorrected flow rate of the liquid, a temperature sensor for measuring t

A flow meter and method for determining the corrected flow rate of a liquid falling into a predetermined class of liquids based on its viscosity and density is disclosed. The flow meter comprises a flow sensor for measuring an uncorrected flow rate of the liquid, a temperature sensor for measuring the temperature of the liquid, and a microprocessor for calculating the corrected flow rate based on the liquids predetermined class and the measured temperature. The flow sensor can include a restriction in the fluid flow path, first and second pressure sensors positioned one on each side of the restriction and a temperature sensor. The first and second pressure sensors measure the drop in fluid pressure created by the restriction and the temperature sensor measures the temperature of the liquid. By basing the corrected flow rate calculation on the predetermined class of the liquid, the calculation becomes a closed form solution that is deterministic providing for quick and accurate corrected flow rate calculation. A flow meter according to the present invention can be used in many applications such as, among others, liquid beverage dispensers and variable speed pumps. a drain comprising a one piece hollow body defining a fluid path, said body including: an inlet for receiving a fluid traveling along said fluid path, said inlet including an annular flange to seat about said opening in said basin; an outlet for discharging the fluid traveling along said fluid path, said outlet connected an existing plumbing, said existing plumbing being located below said basin; and an inner wall positioned between said inlet and said outlet, said inner wall diverting said fluid path from a first direction to a second direction substantially perpendicular to said first direction, said diverted fluid path being located approximately three inches below said bottom of said basin; a valve in association with said inlet for selectively opening and closing said fluid path; and a mount attached to said body and located at least partially within said outlet, said mount operably connecting said valve to said body such that said mount and valve are positioned at least partially within said diverted fluid path. 7. The deep-sink assembly as claimed in claim 6 wherein said existing plumbing includes a grease trap. 8. The deep-sink assembly as claimed in claim 7 wherein said grease trap has a height of approximately ten inches. iques: Status Quo and Perspectives", Proc. IFIP WG 6.1 Fourth International Workshop on Protocol Specification, Testing and Verification, Skytop Lodge, Pennsylvania, Jun. 1984, pp. 697-720. McMillan, K. L., "Fitting Formal Methods into the Design Cycle", 31stDesign Automation Conference, San Diego, CA, Jun. 6-10, 1994, pp. 314-319. Geist, D., et al., "Coverage-Directed Test Generation Using Symbolic Techniques", Formal Methods in Computer-Aided Design, First International Conference, FMCAD .96, Palo Alto, CA, Nov. 6-8, 1996, pp. 142-159. Motohara, A., et al., "A State Traversal Algorithm Using a State Covariance Matrix", 30thDesign Automation Conference, Dallas, Texas, Jun. 14-18, 1993, pp. 97-101. Bryant, R. E., et al. "Formal Hardware Verification by Symbolic Ternary Trajectory Evaluation", 28thACM/IEEE Design Automation Conference, San Francisco, CA, Jun. 17-21, 1991, pp. 397-402. Factor, M., et al., "Rigorous Testing Using SnapShot", Israeli Conference on Computer Systems and Software Engineering, Herzliya, Israel, Jun. 18-19, 1997, pp. 12-21. Rundin, H., "Protocol Engineering: A Critical Assessment", Proceedings of the IFIP WG 6.1 Eighth International Symposium on Protocol Specification, Testing, and Verifica