Induction air temperature regulators

Claim 2

An induction air temperature regulator for internal combustion engines, comprising: a carburetor; a bell-shaped casing having an opening at its base and enclosing said carburetor therein; means for sucking air into said casing through said base portion, along the outer surface of said carburetor to ensure a heat exchangE therewith, and then through said carburetor; means, including a filter element, for filtering at least a portion of said air sucked into said casing; venturitype passages having a decreasing cross section defined in said casing through which said sucked in air flows, the largest cross section of said passages corresponding to the surface area of said filter element; said carburetor having a funnel-shaped air inlet; means for supplying heated and unheated air into said casing; and spherically shaped shutters adjustably mounted on said casing in operative engagement with said means for supplying heated and unheated air, wherein said shutters are adjustable to adjust the ratio of heated to unheated air supplied to said carburetor through said casing.

Claim 3

An air induction temperature regulator for internal combustion engines, comprising: a carburetor; a bell-shaped casing, having an open base portion, enclosing said carburetor; at lease one air flow passage defined in said casing; means, including a first air inlet disposed adjacent said base portion, for supplying heated air to said carburetor through said passage; means, including a second air inlet disposed adjacent said base portion, for supplying unheated air to said carburetor through said passage; and means for adjusting the ratio of unheated air to heated air in said carburetor, including a plurality of arcuately shaped movable shutters mounted adjacent said base portion in operative engagement with said air inlets, further comprising: a filter element mounted adjacent said open base portion between said air inlets and said carburetor; and a plurality of said air flow passages have a gradually decreasing cross section, the largest cross section corresponding to the surface area of said filter element.

Claim 4

An air induction temperature regulator for internal combustion engines, comprising: a carburetor; a bell-shaped casing, having an open base portion, enclosing said carburetor; at lease one air flow passage defined in said casing; means, including a first air inlet disposed adjacent said base portion, for supplying heated air to said carburetor through said passage; means, including a second air inlet disposed adjacent said base portion, for supplying unheated air to said carburetor through said passage; and means for adjusting the ratio of unheated air to heated air in said carburetor, including a plurality of arcuately shaped movable shutters mounted adjacent said base portion in operative engagement with said air inlets, further comprising: a filter element mounted adjacent said open base portion between said air inlets and said carburetor; and a plurality of said air flow passages have a gradually decreasing cross section, the largest cross section corresponding to the surface area of said filter element.

Claim 5

An air induction temperature regulator for internal combustion engines, comprising: a carburetor; a bell-shaped casing, having an open base portion, enclosing said carburetor; at least one air flow passage defined in said casing; means, including a first air inlet disposed adjacent said base portion, for supplying heated air to said carburetor through said passage; means including a second air inlet disposed adjacent said base portion, for supplying unheated air to said carburetor through said passage; and means for adjusting the ratio of unheated air to heated air in said carburetor, including a plurality of arcuately shaped movable shutters mounted adjacent said base portion in operative engagement with said air inlets, further comprising a filter element mounted adjacent said open base portion between said air inlets and said carburetor, wherein the total area of the open passages defined by said first and second air inlets and said plurality of shutters is at least equal to the suction surface area of said filter element, irrespective of the position of said shutters.

Claim 6

An air induction temperature regulator for internal combustion engines, comprising: a carburetor; a bell-shaped casing, having an open base portion, enclosing said carburetor; at least one air flow passage defined in said casing; means, including a first air inlet disposed adjacent said base portion, for supplying heated air to said carburetor through said passage; means including a second air inlet disposed adjacent said base portion, for supplying unheated air to said carburetor through said passage; and means for adjusting the ratio of unheated air to heated air in said carburetor, including a plurality of arcuately shaped movable shutters mounted adjacent said base portion in operative engagement with said air inlets, further comprising a filter element mounted adjacent said open base portion between said air inlets and said carburetor, wherein the total area of the open passages defined by said first and second air inlets and said plurality of shutters is at least equal to the suction surface area of said filter element, irrespective of the position of said shutters.

Claim 7

An air induction temperature regulator for internal combustion engines, comprising: a carburetor; a bell-shaped casing, having an open base portion, enclosing said carburetor; at least one air flow passage defined in said casing; means, including a first air inlet disposed adjacent said base portion, for supplying heated air to said carburetor through said passage; means, including a second air inlet disposed adjacent said base portion, for supplying unheated air to said carburetor through said passage; and means for adjusting the ratio of unheated air to heated air in said carburetor, including a plurality of arcuately shaped movable shutters mounted adjacent said base portion in operative engagement with said air inlets, wherein said shutters substantially surround said open base portion and are apertured to provide a flow of air to said carburetor through at least one of said first and second air inlets.

Claim 8

An air induction temperature regulator for internal combustion engines, comprising: a carburetor; a bell-shaped casing, having an open base portion, enclosing said carburetor; at least one air flow passage defined in said casing; means, including a first air inlet disposed adjacent said base portion, for supplying heated air to said carburetor through said passage; means, including a second air inlet disposed adjacent said base portion, for supplying unheated air to said carburetor through said passage; and means for adjusting the ratio of unheated air to heated air in said carburetor, including a plurality of arcuately shaped movable shutters mounted adjacent said base portion in operative engagement with said air inlets, wherein said shutters substantially surround said open base portion and are apertured to provide a flow of air to said carburetor through at least one of said first and second air inlets.

Claim 9

An air induction temperature regulator for internal combustion engines, comprising: a carburetor; a bell-shaped casing having an open base portion and enclosing said carburetor; means for sucking air into said casing through said base portion, along the outer surface of said carburetor to ensure a heat exchange therewith, and then through said carburetor; means, including a filter element disposed in said opening at the base portion, for filtering at least a portion of said air sucked into said casing; and venturi-type passages having a decreasing cross section defined in said casing through which said sucked in air flows, the largest cross section of said passages corresponding to the surface area of said filter element, and adjustable means for varying the temperature of the air supplied to said carburetor.

Claim 10

An air induction temperature regulator for internal combustion engines, comprising: a carburetor; a bell-shaped casing having an open base portion and enclosing said carburetor; means for sucking air into said casing through said base portion, along the outer surface of said carburetor to ensure a heat exchange therewith, and then through said carburetor; means, including a filter element disposed in said opening at the base portion, for filtering at least a portion of said air sucked into said casing; and venturi-type passages having a decreasing cross section defined in said casing through which said sucked in air flows, the largest cross section of said passages corresponding to the surface area of said filter element, and adjustable means for varying the temperature of the air supplied to said carburetor.

Claim 11

The device according to claim 5, wherein said carburetor has a funnel-shaped venturi-type air inlet.

Claim 12

The device according to claim 5, further comprising a plurality of fins provided on the outer surface of said carburetor.

Claim 13

The device according to claim 5, further comprising means, including a first air inlet, for supplying heated air to said carburetor through said passages; means, including a second air inlet, for supplying unheated air to said carburetor through said passages; and spherically shaped shutters adjustably mounted on said casing in operative engagement with said means for supplying heated and unheated air, wherein said shutters are adjustable to adjust the ratio of heated to unheated air supplied to said carburetor through said casing.

Claim 14

The device according to claim 8, wherein the total area of the open passages defined by said first and second air inlets and said spherically shaped shutters is at least equal to the suction surface area of said filter element, irrespective of the positions of said shutters.