Ships – Ventilation
Patent
1989-12-13
1991-04-02
Basinger, Sherman D.
Ships
Ventilation
B63J 206
Patent
active
050039067
ABSTRACT:
In combination with a water craft (10) having an engine compartment (12), a blower (14) for purging the compartment of noxious vapors, an electrical system (16) for energizing the water craft, a manual blower switch (18), and a speedometer (20) including a tube (22) which provides fluid pressure thereto for sensing the speed of the water craft (10) through ambient water, an improvement comprising a normally closed pressure switch (24) connected to the tube (22). The pressure switch (24) is openable in response to fluid pressure in the tube (22) at speeds above a pre-determined speed of the water craft (10). Electrical connections (26, 28) are provided between the pressure switch (24), the electrical system (16) and the blower (14). The pressure switch (24) bypasses the manual blower switch (18) so that the blower (14) is operated pressure-responsively, irrespective of the manual blower switch (18) when the speed of the water craft (10) is below the predetermined speed, thereby enhancing boating safety.
REFERENCES:
patent: 2627181 (1953-02-01), Kiekhaefer
patent: 3489912 (1970-01-01), Hoffman
patent: 3652868 (1972-03-01), Hunt
patent: 3948202 (1976-04-01), Yoshikawa
patent: 4134112 (1979-01-01), Kercheval et al.
patent: 4235181 (1980-11-01), Stickney
Avila Stephen P.
Basinger Sherman D.
Technological Safety Design, Inc.
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