Patents Assigned to Baltimore Aircoil Co.
  • Machine guarding apparatus
    Patent number: 4283612
    Abstract: An apparatus for eliminating accidents on power machines such as brake presses which comprises in combination a safety pedal, proximity switch and metal plate.
    Type: Grant
    Filed: May 5, 1980
    Date of Patent: August 11, 1981
    Assignee: Baltimore Aircoil Co., Inc.
    Inventor: Edward G. Richards
  • Injector type cooling tower having air discharge slots
    Patent number: 4265645
    Abstract: An injector type cooling apparatus is disclosed wherein multiple flat liquid sprays are directed into a conduit of uniform cross-section to draw cooling air into and through the conduit for mixture with and heat transfer from the liquid. The discharge end of the conduit is fitted with mist eliminators, in addition, holes or slots fitted with mist eliminators are provided in the conduit roof or sides downstream of the liquid sprays. These holes or slots cause increased air flow which results in improved cooling apparatus performance.
    Type: Grant
    Filed: January 21, 1980
    Date of Patent: May 5, 1981
    Assignee: Baltimore Aircoil Co., Inc.
    Inventor: Richard P. Merrill
  • Automatic control system for centrifugal pumps
    Patent number: 4257745
    Abstract: The invention is a unique combination of a pressure switch, a temperature switch, and a check valve which act to automatically control the on-off operation of a centrifugal pump in response to an external flow demand.
    Type: Grant
    Filed: September 1, 1978
    Date of Patent: March 24, 1981
    Assignee: Baltimore Aircoil Co.
    Inventors: Gerry W. Thur, Timothy A. Moore