Power supply with separated airflows

A power supply adapted to be driven by a primary power source to produce an output voltage, comprising:

• a case having an air inlet and an air outlet, said case having a top and a bottom adapted to rest on a horizontal surface to define an upward direction within said case, said air inlet being operable to deliver air into said case along an incoming passageway having components directed inwardly and upwardly to prevent liquid that falls atop said case from intruding into said case, said air outlet being operable to discharge air from said case along an outgoing passageway having components directed outwardly and downwardly to prevent liquid that falls atop said case from intruding into said case, said air inlet and air outlet each comprising a stacked plurality of slots;
• converter means mounted in said case and adapted to be connected to said primary power source for producing said output voltage;
• and
• a fan mounted in said case between said air inlet and said air outlet for providing a separated pair of airflows downstream and upstream of said fan, said pair of airflows passing across different portions of said converter means.

A power supply adapted to be driven by a primary power source to produce an output voltage, comprising:

• a case having an air inlet and an air outlet;
• converter means mounted in said case and adapted to be connected to said primary power source for producing said output voltage;
• a fan mounted in said case between said air inlet and said air outlet for providing a separated pair of airflows downstream and upstream of said fan, said pair of airflows passing across different portions of said converter means;
• a principal bulwark mounted in said case for supporting said fan and impeding bypassing of said fan, said converter means comprising:
• a main power transformer;
• a primary circuit for driving said transformer;
• and
• a secondary circuit coupled to and driven by said transformer, a portion of said primary circuit and a portion of said secondary circuit being on opposite sides of said principal bulwark, airflow from said air inlet crosses most of said primary circuit before crossing most of said secondary circuit.

A power supply adapted to be driven by a primary power source to produce an output voltage, comprising:

• a case having an air inlet and an air outlet;
• a fan mounted in said case between said air inlet and said air outlet for providing a separated pair of airflows downstream and upstream of said fan;
• a principal bulwark mounted in said case for supporting said fan and impeding bypassing of said fan;
• an auxiliary bulwark mounted in said case, said principal bulwark and said auxiliary bulwark internally dividing said case into three air chambers, said principal bulwark and said auxiliary bulwark being electrically isolated;
• and
• converter means mounted in said case and adapted to be connected to said primary power source for producing said output voltage, said pair of airflows passing across different portions of said converter means, said converter means comprising:
• a main power transformer;
• a primary circuit having a primary component for driving said transformer;
• and
• a secondary circuit having a secondary component coupled to and driven by said transformer, said primary component and said secondary component being mounted on separate ones of said auxiliary bulwark and said principal bulwark for dissipating heat.

A power supply adapted to be driven by a primary power source to produce an output voltage, comprising:

• a case having an air inlet, an air outlet, a top and a bottom adapted to rest on a horizontal surface to define an upward direction within said case, said air inlet being operable to deliver air into said case along an incoming passageway at an acute angle to horizontal having components directed inwardly and upwardly to prevent liquid that falls atop said case from intruding into said case, said air outlet being operable to discharge air from said case along an outgoing passageway having components directed outwardly and downwardly to prevent liquid that falls atop said case from intruding into said case, said air inlet and said air outlet each comprising a stacked plurality of slots;
• converter means mounted in said case and adapted to be connected to said primary power source for producing said output voltage;
• and
• a fan mounted in said case between said air inlet and said air outlet for providing a pair of airflows downstream and upstream of said fan.

A power supply adapted to be driven by a primary power source to produce an output voltage, comprising:

• a case having a lower wall, an air inlet, an air outlet, and an enclosed chamber bordered by said lower wall, said air inlet and said air outlet;
• converter means mounted in said case and adapted to be connected to said primary power source for producing said output voltage;
• a fan mounted in said case between said air inlet and said air outlet for providing a pair of airflows downstream and upstream of said fan;
• and
• a principal bulwark mounted in said case for (a) dividing said chamber, (b) supporting said fan, and (c) impeding bypassing of said fan, said converter means comprising:
• a main power transformer:
• a primary circuit for driving said transformer;
• and
• a secondary circuit coupled to and driven by said transformer, a portion of said primary circuit and a portion of said secondary circuit being on opposite sides of said principal bulwark, airflow from said air inlet crossing most of said primary circuit before crossing most of said secondary circuit.

A power supply adapted to be driven by a primary power source to produce an output voltage, comprising:

• a case having a lower wall, an air inlet, an air outlet, and an enclosed chamber bordered by said lower wall, said air inlet and said air outlet;
• converter means mounted in said case and adapted to be connected to said primary power source for producing said output voltage;
• a fan mounted in said case between said air inlet and said air outlet for providing a pair of airflows downstream and upstream of said fan;
• a principal bulwark mounted in said case for (a) dividing said chamber, (b) supporting said fan, and (c) impeding bypassing of said fan;
• and
• an auxiliary bulwark mounted in said case, said principal bulwark and said auxiliary bulwark internally dividing said case into three air chambers, said principal bulwark and said auxiliary bulwark being electrically isolated, said converter means comprising:
• a main power transformer mounted between said principal bulwark and said auxiliary bulwark;
• a primary circuit having a primary component for driving said transformer;
• and
• a secondary circuit having a secondary component coupled to and driven by said transformer, said primary component and said secondary component being mounted on separate ones of said auxiliary bulwark and said principal bulwark for dissipating heat.

A power supply adapted to be driven by a primary power source to produce an output voltage, comprising:

• a case having a lower wall, an air inlet, an air outlet, and an enclosed chamber bordered by said lower wall, said air inlet and said air outlet;
• converter means mounted in said case and adapted to be connected to said primary power source for producing said output voltage;
• a fan mounted in said case between said air inlet and said air outlet for providing a pair of airflows downstream and upstream of said fan;
• a principal bulwark mounted in said case for (a) dividing said chamber, (b) supporting said fan, and (c) impeding bypassing of said fan;
• and
• an auxiliary bulwark mounted in said case, said principal bulwark and said auxiliary bulwark internally dividing said case into three air chambers, said principal bulwark and said auxiliary bulwark being electrically isolated, said converter means comprising:
• a main power transformer;
• a primary circuit having a primary component for driving said transformer;
• and
• a secondary circuit having a secondary component coupled to and driven by said transformer, said primary component and said secondary component being mounted on separate ones of said auxiliary bulwark and said principal bulwark for dissipating heat, said primary component comprising a power switch mounted on said auxiliary bulwark, said secondary component comprising a rectifier mounted on said principal bulwark.