US2376331A - Armored ventilating shield - Google Patents
Armored ventilating shield Download PDFInfo
- Publication number
- US2376331A US2376331A US553002A US55300244A US2376331A US 2376331 A US2376331 A US 2376331A US 553002 A US553002 A US 553002A US 55300244 A US55300244 A US 55300244A US 2376331 A US2376331 A US 2376331A
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- Prior art keywords
- armored
- plates
- plate
- armor
- shield
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F41—WEAPONS
- F41H—ARMOUR; ARMOURED TURRETS; ARMOURED OR ARMED VEHICLES; MEANS OF ATTACK OR DEFENCE, e.g. CAMOUFLAGE, IN GENERAL
- F41H7/00—Armoured or armed vehicles
- F41H7/02—Land vehicles with enclosing armour, e.g. tanks
- F41H7/03—Air-pressurised compartments for crew; Means for preventing admission of noxious substances, e.g. combustion gas from gun barrels, in crew compartments; Sealing arrangements
- F41H7/035—Gratings for ventilation openings
Definitions
- the present invention pertains to a. novel armored ventilating shield for use in connection with military structures such as combat tanks. Some of these tanks now in use carry a radiator protected by an armor shield spaced horizontally therefrom. The. air path from the radiator to the atmosphere. extends beneath the shield, and sheet metal turning vanes are there provided. These vanes are. vulnerable to direct fire and ground explosions.
- the object of this invention is to provide a turning vane structure having better resistance to. bullet, fragmentation and explosions waves.
- the aforementioned armor shield a series of spaced horizontal armor plates with sheet metal turning vanes attached thereto and directed toward the radiator.
- the armor plates are successively offset from. one another and thus constitute an armor shield having a substantial area over the ground. Bullets or fragments projected horizontally into the spaces between the plates penetrate the sheet metal vanes and are eventually stopped by a suitably positioned armor plate.
- the vanes are effective in directing air between the radiator and the atmosphere, they do not deflect bullets or fragments toward the radiator.
- Figure 2 is a detail vertical section of the device, taken in a plane parallel to' Figure l.
- the interior of the vehicle carries a horizontal supporting plate l near its rear end for support of the radiator 2.
- a horizontal supporting plate l near its rear end for support of the radiator 2.
- an armor plate 3 comprised in the hull for protection of the radiator from horizontal fire.
- Beneath the plate 3 is a space or opening 4 through which the radiator is ventilated by a stream of air which is necessarily directed rearwardly downward.
- the radiator is, however, vulnerable through this opening from ground explosions and fragmentation.
- a pair of side plates 4' in the opening 4 and mounted on a hinge 3'.
- a series of spaced, horizontal armor plates 5 is supported between the side plates in a position transverse of th vehicle.
- the plates are successively ofi'set from one another in upward progression for a purpose that will presently appear.
- The. rear end of each plate is preferably beveled at 6. at such an angle that the downward projection of the'beveled end surface does not. intercept the next lower plate5.
- a bullet striking one of the beveled ends will not spatter against the next lower plate although it may spatter against the next upper plate.
- each plate 5 At the rear end of each plate 5 is provided. a turning vane comprising a pair of sheet metal plates 1 and 3 secured respectively to the lower and upper surfaces of the corresponding. plate 5 and bent forward and upward so that their upper edges are brought intocoincidence and fastened together at 9.
- the upper member 8 presents a continuous concave surface from its plate 5 to its upper edge, while the. next upper member Tpresents an exposed convex surface lil opposite its next lower member 8, thereby forming an efficient air path between the radiator and the atmosphere. Because of the mutually offset relation of the plates 5 as previously described and the substantially identical. construction of the turning vanes, the forward or upper ends of" the latter provide inlet spaces. H lying in a plane subshield 13 may be mounted forward of the series of plates 5.
- the plates 5 are of sufiicient hardness and thickness to resist explosion waves and fragmentation from explosions on the ground nearby which, however, are not likely to affect the more frangible turning vanes I, B because of their location relatively to the plates 5. If the vanes were made of armor plate, they would deflect fragments, bullets and spatter with injurious efiect to the radiator. On the other hand, if the entire turning vane structure were made of sheet metal, as in previous constructions, it would be vulnerable to ground explosions. The combination of armor plate and sheet metal as herein disclosed affords protection from ground explosions and at the same time yields to horizontally travelling bodies without deflecting them to the radiator.
- the lowermost plate 5' requires only an upper sheet metal member 8 fastened to the shield l3.
- a spatter shield l9 may be provided on the support I, at the rear lower edge of the radiator, to stop any spatter that may flow along the usual sloping wall I of the support.
- An anchor rod is suitably mounted in a position to be overlapped by a lug 2
- are fastened together by a suitable detent or pin 22.
- the entire turning vane assembly may be raised on the hinge 3' for access to internal parts.
- an armored shield spaced horizontally from said body and forming an air passage therebeneath, a series of spaced horizontal armor plates mounted in said passage, and turning vanes of bullet-frangible material carried by said plates and directed towards said body,
- an armored shield spaced horizontally from said body and forming an air passage therebeneath, a series of spaced horizontal armor plates mounted in said passage, and turning vanes of bullet-frangible material carried by said plates and directed towards said body, each plate projecting beyond the plate therebeneath at the edge more remote from said body, the free ends of said vanes lying in a plane substantially perpendicular to a flow path from said body to said passage.
- an armored shield spaced horizontally from said body and forming an air passage therebeneath, a series of spaced horizontal armor plates mounted in said passage, a pair of sheet metal plates secured respectively to the upper and lower surfaces of each armor plate and bent toward said body and havingtheir free edges fastened together to form a turning vane.
- an armored shield spaced horizontally from said body and forming an air passage therebeneath, a series of spaced horizontal armor plates mounted in said ⁇ passage, a pair of sheet metal plates secured respectively to the upper and lower surfaces of each armor plate and bent toward said body and having their free edges fastened together to form a turning vane, the free ends of said vanes lying in a plane substantially perpendicular to a flow path from said body to said passage.
- an armored shield spaced horizontally from said body and forming an air passage therebeneath, a pair of parallel side plates hingedly mounted in said passage, a series of spaced horizontal armor plates carried by said side plates, turning vanes of bulletfrangible material carried by said armor plates and directed toward said body, and means for latching said side plates in said passage.
- an armored shield spaced horizontally from said body and forming an air passage therebeneath, a series of spaced horizontal armor plates mounted in said passage, and turning vanes of bullet-frangible material carried by said plates and directed to- .wards said body, each plate projecting beyond the plate therebeneath at the edge more remote from said body, the free ends of said vanes lying in a plane substantially perpendicular to a flow path from said body to said passage, said remote edge of each armor plate being beveled to form a plane which, when projected, clears the next lower armor plate.
- an armored shield spaced horizontally from said body and forming an air passage therebeneath, a series of spaced horizontal armor plates mounted in said passage, and turning vanes of bullet-frangible material carried by said plates and directed towards said body, the edge of each plate moreremote from said body being beveled to form a plane which, when projected, clears the next lower armor plate.
- an armored shield spaced horizontally from said body and forming an air passage therebeneath, a pair of parallel side plates hingedly mounted in said passage, a series of spaced horizontal armor plates carried by said side plates, a pair of sheet metal plates secured respectively to the upper and lower surfaces of each armor plate and bent toward said body and having their free edges fastened to ether to form a turning vane.
Description
y 1945- v. R. ABRAMS ARMORED VENTILATING SHIELD Filed Sept. 7, 1944 a! I K 3mm Vi EL ur R Abrams Patented May 252, 1945 ARMORED VENTILATING. SHIELD Victor R. Abrams, Rockford, in.
Application September 7, 1944,. Serial No. 553,002
8 Claims. (CI. 89-36) (Granted under the act of March '3, 1883, as amended April 30, 1928; 3'70 O.G 757) The invention described herein may be manufactured and used by or for the Government for governmental purposes without the payment to me of any royalty thereon.
The present invention pertains to a. novel armored ventilating shield for use in connection with military structures such as combat tanks. Some of these tanks now in use carry a radiator protected by an armor shield spaced horizontally therefrom. The. air path from the radiator to the atmosphere. extends beneath the shield, and sheet metal turning vanes are there provided. These vanes are. vulnerable to direct fire and ground explosions.
The object of this invention is to provide a turning vane structure having better resistance to. bullet, fragmentation and explosions waves. With this object in view, there is provided heneath the aforementioned armor shield a series of spaced horizontal armor plates with sheet metal turning vanes attached thereto and directed toward the radiator. The armor plates are successively offset from. one another and thus constitute an armor shield having a substantial area over the ground. Bullets or fragments projected horizontally into the spaces between the plates penetrate the sheet metal vanes and are eventually stopped by a suitably positioned armor plate. Thus, although the vanes are effective in directing air between the radiator and the atmosphere, they do not deflect bullets or fragments toward the radiator.
An illustrative embodiment of the invention. is disclosed in. the following description and in the accompanying drawing in Figure l is a vertical elevation of a combat tank having an embodiment of the present invention attached thereto.
Figure 2 is a detail vertical section of the device, taken in a plane parallel to'Figure l.
The interior of the vehicle carries a horizontal supporting plate l near its rear end for support of the radiator 2. Horizontally rearward of the radiator is an armor plate 3 comprised in the hull for protection of the radiator from horizontal fire. Beneath the plate 3 is a space or opening 4 through which the radiator is ventilated by a stream of air which is necessarily directed rearwardly downward.
The radiator is, however, vulnerable through this opening from ground explosions and fragmentation. In order to protect the radiator therefrom and at the same time permit adequate flow of air through the opening 4, there is provided a pair of side plates 4' in the opening 4 and mounted on a hinge 3'. A series of spaced, horizontal armor plates 5 is supported between the side plates in a position transverse of th vehicle. The plates are successively ofi'set from one another in upward progression for a purpose that will presently appear. The. rear end of each plate is preferably beveled at 6. at such an angle that the downward projection of the'beveled end surface does not. intercept the next lower plate5. Thus, a bullet striking one of the beveled ends will not spatter against the next lower plate although it may spatter against the next upper plate.
At the rear end of each plate 5 is provided. a turning vane comprising a pair of sheet metal plates 1 and 3 secured respectively to the lower and upper surfaces of the corresponding. plate 5 and bent forward and upward so that their upper edges are brought intocoincidence and fastened together at 9. The upper member 8 presents a continuous concave surface from its plate 5 to its upper edge, while the. next upper member Tpresents an exposed convex surface lil opposite its next lower member 8, thereby forming an efficient air path between the radiator and the atmosphere. Because of the mutually offset relation of the plates 5 as previously described and the substantially identical. construction of the turning vanes, the forward or upper ends of" the latter provide inlet spaces. H lying in a plane subshield 13 may be mounted forward of the series of plates 5.
The plates 5 are of sufiicient hardness and thickness to resist explosion waves and fragmentation from explosions on the ground nearby which, however, are not likely to affect the more frangible turning vanes I, B because of their location relatively to the plates 5. If the vanes were made of armor plate, they would deflect fragments, bullets and spatter with injurious efiect to the radiator. On the other hand, if the entire turning vane structure were made of sheet metal, as in previous constructions, it would be vulnerable to ground explosions. The combination of armor plate and sheet metal as herein disclosed affords protection from ground explosions and at the same time yields to horizontally travelling bodies without deflecting them to the radiator.
The lowermost plate 5' requires only an upper sheet metal member 8 fastened to the shield l3. A spatter shield l9 may be provided on the support I, at the rear lower edge of the radiator, to stop any spatter that may flow along the usual sloping wall I of the support.
The described angle of the beveled ends 6, as previously stated, does not permit bullet spatter therefrom to interfere with the next lower turning vane. Although the spatter strikes the next upper plate 5, its deflection in the plane of the lower surface of that plate will not interfere with the curved portion of the turning vane carried thereby. Each lower member I is secured to its plate 5 at numerous points, as by welding, so
that rupture at a few points will not destroy the vane.
An anchor rod is suitably mounted in a position to be overlapped by a lug 2| carried by the bottom plate 5'. The parts 20 and 2| are fastened together by a suitable detent or pin 22. On removal of the member 22, the entire turning vane assembly may be raised on the hinge 3' for access to internal parts.
Although a specific embodiment of the invention has been shown and been described, it will be understood that various alterations may be made without departure from the. spirit of the invention as indicated by the appended claims.
What I claim is:
1. In an armored structure containing a body requiring ventilation and protection, an armored shield spaced horizontally from said body and forming an air passage therebeneath, a series of spaced horizontal armor plates mounted in said passage, and turning vanes of bullet-frangible material carried by said plates and directed towards said body,
2. In an armored structure containing a body requiring ventilation and protection, an armored shield spaced horizontally from said body and forming an air passage therebeneath, a series of spaced horizontal armor plates mounted in said passage, and turning vanes of bullet-frangible material carried by said plates and directed towards said body, each plate projecting beyond the plate therebeneath at the edge more remote from said body, the free ends of said vanes lying in a plane substantially perpendicular to a flow path from said body to said passage.
3. In an armored structure containing a body requiring ventilation and protection, an armored shield spaced horizontally from said body and forming an air passage therebeneath, a series of spaced horizontal armor plates mounted in said passage, a pair of sheet metal plates secured respectively to the upper and lower surfaces of each armor plate and bent toward said body and havingtheir free edges fastened together to form a turning vane.
4. In an armored structure containing a body requiring ventilation and protection, an armored shield spaced horizontally from said body and forming an air passage therebeneath, a series of spaced horizontal armor plates mounted in said \passage, a pair of sheet metal plates secured respectively to the upper and lower surfaces of each armor plate and bent toward said body and having their free edges fastened together to form a turning vane, the free ends of said vanes lying in a plane substantially perpendicular to a flow path from said body to said passage.
5. In an armored structure containing a body requiring ventilation and protection, an armored shield spaced horizontally from said body and forming an air passage therebeneath, a pair of parallel side plates hingedly mounted in said passage, a series of spaced horizontal armor plates carried by said side plates, turning vanes of bulletfrangible material carried by said armor plates and directed toward said body, and means for latching said side plates in said passage.
6. In an armored structure containing a body requiring ventilation and protection, an armored shield spaced horizontally from said body and forming an air passage therebeneath, a series of spaced horizontal armor plates mounted in said passage, and turning vanes of bullet-frangible material carried by said plates and directed to- .wards said body, each plate projecting beyond the plate therebeneath at the edge more remote from said body, the free ends of said vanes lying in a plane substantially perpendicular to a flow path from said body to said passage, said remote edge of each armor plate being beveled to form a plane which, when projected, clears the next lower armor plate.
'7. In an armored structure containing a body requiring ventilation and protection, an armored shield spaced horizontally from said body and forming an air passage therebeneath, a series of spaced horizontal armor plates mounted in said passage, and turning vanes of bullet-frangible material carried by said plates and directed towards said body, the edge of each plate moreremote from said body being beveled to form a plane which, when projected, clears the next lower armor plate.
8. In an armored structure containing a body requiring ventilation and protection, an armored shield spaced horizontally from said body and forming an air passage therebeneath, a pair of parallel side plates hingedly mounted in said passage, a series of spaced horizontal armor plates carried by said side plates, a pair of sheet metal plates secured respectively to the upper and lower surfaces of each armor plate and bent toward said body and having their free edges fastened to ether to form a turning vane.
VICTOR R. ABRAMS.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US553002A US2376331A (en) | 1944-09-07 | 1944-09-07 | Armored ventilating shield |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US553002A US2376331A (en) | 1944-09-07 | 1944-09-07 | Armored ventilating shield |
Publications (1)
Publication Number | Publication Date |
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US2376331A true US2376331A (en) | 1945-05-22 |
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US553002A Expired - Lifetime US2376331A (en) | 1944-09-07 | 1944-09-07 | Armored ventilating shield |
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Cited By (25)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2446879A (en) * | 1943-06-28 | 1948-08-10 | Barber Colman Co | Air flow control |
US2492294A (en) * | 1947-04-08 | 1949-12-27 | Barber Colman Co | Air entrance grid |
US2813708A (en) * | 1951-10-08 | 1957-11-19 | Frey Kurt Paul Hermann | Devices to improve flow pattern and heat transfer in heat exchange zones of brick-lined furnaces |
US2871763A (en) * | 1955-05-17 | 1959-02-03 | Fairchild Engine & Airplane | Variable armored sections for vehicles |
US3138993A (en) * | 1962-12-24 | 1964-06-30 | Schindel Lewis | Armored vehicle construction |
US4036104A (en) * | 1976-02-17 | 1977-07-19 | The United States Government As Represented By The Secretary Of The Army | Lightweight method of construction for ribbed applique armor |
FR2371572A1 (en) * | 1976-11-23 | 1978-06-16 | Bochumer Eisen Heintzmann | OPENING PROTECTION DEVICE PROVIDED FOR THE PASSAGE OF AIR IN PREMISES OR BUILDINGS REQUIRING HIGH SECURITY |
US4192216A (en) * | 1978-02-10 | 1980-03-11 | Mason & Hanger-Silas Mason Co., Inc. | One-man armored vehicle |
US4325283A (en) * | 1980-03-19 | 1982-04-20 | Cadillac Gage Company | Armored grille |
US4864819A (en) * | 1985-06-03 | 1989-09-12 | General Electric Company | Exhaust system including protective arrangements |
DE4015304A1 (en) * | 1990-05-12 | 1992-01-09 | Hoesch Ag | DEVICE FOR THE SAFE COVERING OF AIR OPENINGS IN SPECIAL VEHICLES |
US5398592A (en) * | 1992-09-16 | 1995-03-21 | Fmc Corporation | Modular protection system |
US5499568A (en) * | 1994-05-18 | 1996-03-19 | Fmc Corporation | Modular protection system |
US5780761A (en) * | 1997-03-24 | 1998-07-14 | United Defense, Lp | Multi-tiered ballistic air handling grille |
US5880394A (en) * | 1995-03-15 | 1999-03-09 | Fried, Krupp Ag Hoesch-Krupp | Ballistic grill for special purpose vehicles |
DE10144368A1 (en) * | 2001-09-10 | 2003-03-27 | Rheinmetall Landsysteme Gmbh | Device for an armored transport vehicle as a battery swivel mechanism |
US6672195B1 (en) | 2002-11-20 | 2004-01-06 | Wesley M. Plattner | Ballistic vent apparatus |
US20040154464A1 (en) * | 2002-01-26 | 2004-08-12 | Rudolf Zurek | Armoured vehicle, especially combat tank |
US20060080890A1 (en) * | 2004-10-20 | 2006-04-20 | Nowak J P | Air channel grille for security institutions |
US7080587B2 (en) * | 2002-01-29 | 2006-07-25 | Rafael Armament Development Authority Ltd | Armor module |
US20070089595A1 (en) * | 2005-07-21 | 2007-04-26 | Lockheed Martin Corporation | Apparatus comprising armor |
US7322267B1 (en) * | 2004-06-15 | 2008-01-29 | Foi Group, Llc | Enhanced light weight armor system with reactive properties |
US7546795B1 (en) * | 2004-06-15 | 2009-06-16 | Foi Group, Inc. | Enhanced light weight armor system with deflective operation |
US7581482B1 (en) * | 2005-07-28 | 2009-09-01 | The United States Of America As Represented By The Secretary Of The Army | Supersonic turning vane |
US8640592B1 (en) * | 2011-03-23 | 2014-02-04 | The Boeing Company | Blast pressure diffuser |
-
1944
- 1944-09-07 US US553002A patent/US2376331A/en not_active Expired - Lifetime
Cited By (31)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2446879A (en) * | 1943-06-28 | 1948-08-10 | Barber Colman Co | Air flow control |
US2492294A (en) * | 1947-04-08 | 1949-12-27 | Barber Colman Co | Air entrance grid |
US2813708A (en) * | 1951-10-08 | 1957-11-19 | Frey Kurt Paul Hermann | Devices to improve flow pattern and heat transfer in heat exchange zones of brick-lined furnaces |
US2871763A (en) * | 1955-05-17 | 1959-02-03 | Fairchild Engine & Airplane | Variable armored sections for vehicles |
US3138993A (en) * | 1962-12-24 | 1964-06-30 | Schindel Lewis | Armored vehicle construction |
US4036104A (en) * | 1976-02-17 | 1977-07-19 | The United States Government As Represented By The Secretary Of The Army | Lightweight method of construction for ribbed applique armor |
FR2371572A1 (en) * | 1976-11-23 | 1978-06-16 | Bochumer Eisen Heintzmann | OPENING PROTECTION DEVICE PROVIDED FOR THE PASSAGE OF AIR IN PREMISES OR BUILDINGS REQUIRING HIGH SECURITY |
US4192216A (en) * | 1978-02-10 | 1980-03-11 | Mason & Hanger-Silas Mason Co., Inc. | One-man armored vehicle |
US4325283A (en) * | 1980-03-19 | 1982-04-20 | Cadillac Gage Company | Armored grille |
US4864819A (en) * | 1985-06-03 | 1989-09-12 | General Electric Company | Exhaust system including protective arrangements |
DE4015304A1 (en) * | 1990-05-12 | 1992-01-09 | Hoesch Ag | DEVICE FOR THE SAFE COVERING OF AIR OPENINGS IN SPECIAL VEHICLES |
US5398592A (en) * | 1992-09-16 | 1995-03-21 | Fmc Corporation | Modular protection system |
US5499568A (en) * | 1994-05-18 | 1996-03-19 | Fmc Corporation | Modular protection system |
US5880394A (en) * | 1995-03-15 | 1999-03-09 | Fried, Krupp Ag Hoesch-Krupp | Ballistic grill for special purpose vehicles |
US5780761A (en) * | 1997-03-24 | 1998-07-14 | United Defense, Lp | Multi-tiered ballistic air handling grille |
DE10144368A1 (en) * | 2001-09-10 | 2003-03-27 | Rheinmetall Landsysteme Gmbh | Device for an armored transport vehicle as a battery swivel mechanism |
DE10144368B4 (en) * | 2001-09-10 | 2004-02-12 | Rheinmetall Landsysteme Gmbh | Device for an armored transport vehicle as a battery swivel mechanism |
US20040154464A1 (en) * | 2002-01-26 | 2004-08-12 | Rudolf Zurek | Armoured vehicle, especially combat tank |
US6923107B2 (en) * | 2002-01-26 | 2005-08-02 | Krauss-Maffei Wegmann Gmbh & Co. Kg | Armored vehicle, especially combat tank |
US20070113730A1 (en) * | 2002-01-29 | 2007-05-24 | Moshe Benyami | Armor module |
US7779742B2 (en) | 2002-01-29 | 2010-08-24 | Rafael Armament Development Authority Ltd. | Armor module |
US7080587B2 (en) * | 2002-01-29 | 2006-07-25 | Rafael Armament Development Authority Ltd | Armor module |
US6672195B1 (en) | 2002-11-20 | 2004-01-06 | Wesley M. Plattner | Ballistic vent apparatus |
US7546795B1 (en) * | 2004-06-15 | 2009-06-16 | Foi Group, Inc. | Enhanced light weight armor system with deflective operation |
US7322267B1 (en) * | 2004-06-15 | 2008-01-29 | Foi Group, Llc | Enhanced light weight armor system with reactive properties |
US7722449B2 (en) * | 2004-10-20 | 2010-05-25 | E.H. Price, Limited | Air channel grill for security institutions |
US20060080890A1 (en) * | 2004-10-20 | 2006-04-20 | Nowak J P | Air channel grille for security institutions |
US7406909B2 (en) * | 2005-07-21 | 2008-08-05 | Lockheed Martin Corporation | Apparatus comprising armor |
US20070089595A1 (en) * | 2005-07-21 | 2007-04-26 | Lockheed Martin Corporation | Apparatus comprising armor |
US7581482B1 (en) * | 2005-07-28 | 2009-09-01 | The United States Of America As Represented By The Secretary Of The Army | Supersonic turning vane |
US8640592B1 (en) * | 2011-03-23 | 2014-02-04 | The Boeing Company | Blast pressure diffuser |
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