Liquid heaters and vaporizers – Tubes and connections
Patent
1991-07-08
1992-07-28
Yuen, Henry C.
Liquid heaters and vaporizers
Tubes and connections
122512, 1224063, 1651341, F22B 3706
Patent
active
051332990
ABSTRACT:
A tubesheet cover plate and method is described wherein a plate is provided for covering the tubesheet face and with apertures with outwardly flared openings into each tube.
REFERENCES:
patent: 513620 (1894-01-01), Phillips
patent: 1042044 (1912-10-01), Shierk
patent: 1917533 (1933-07-01), Lucke
patent: 1948540 (1934-02-01), Noack
patent: 2682861 (1954-07-01), Durham et al.
patent: 2862694 (1958-12-01), Lortz
patent: 4182408 (1980-01-01), Laber
patent: 4336770 (1982-06-01), Kaneko et al.
patent: 4473112 (1984-09-01), Noe et al.
patent: 4607689 (1986-08-01), Mochida et al.
Aptech Engineering Services, Inc.
Yuen Henry C.
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