Measuring and testing – Volume or rate of flow – Combined
Patent
1991-08-15
1993-07-20
Goldstein, Herbert
Measuring and testing
Volume or rate of flow
Combined
73202, 285332, 285382, G01F 1518
Patent
active
052283380
ABSTRACT:
A disconnectable flow connector is formed of (a) a frusto-conical taper pin having a longitudinal bore through which the end portion of a flow tube of a mass flow sensor is inserted and secured and (b) a connector base containing a matched frusto-conical taper bore. The taper pin can be press-fit into the taper bore to form a fluid flow passage having a leakage level less than about 10.sup.-9 scc/sec helium. with a series of spaced apart, transverse grooves separated by lands in sealing engagement with the matched taper bore.
REFERENCES:
patent: 511937 (1994-01-01), Decarie
patent: 1122967 (1914-01-01), Mass
patent: 1495011 (1924-05-01), Ford
patent: 2147343 (1939-02-01), Hokanson
patent: 2313861 (1943-03-01), Caldwell
patent: 2315792 (1943-04-01), Hoss
patent: 2594618 (1952-04-01), Booth
patent: 2594618 (1952-04-01), Booth
patent: 2611485 (1986-09-01), Leslie
patent: 5018555 (1991-05-01), Hawerkamp
DXL USA
Goldstein Herbert
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